Home / 30,524.77-42,151.02-19,213.16

Finding the Fourth Proportional to 30,524.77, 42,151.02 and 19,213.16

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Solution

The fourth proportional to 30,524.77, 42,151.02 and 19,213.16 is: 26,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.77 : 42,151.02 = 19,213.16 : x
  2. Step 2: Convert to fraction form
    30,524.77/42,151.02 = 19,213.16/x
  3. Step 3: Cross multiply
    30,524.77x = 42,151.02 × 19,213.16
  4. Step 4: Simplify right side
    30,524.77x = 809,854,195.36
  5. Step 5: Solve for x
    x = 809,854,195.36/30,524.77
  6. Step 6: Final answer
    x = 26,531.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.