Home / 22,041.02-30,416.51-11,969.38

Finding the Fourth Proportional to 22,041.02, 30,416.51 and 11,969.38

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Solution

The fourth proportional to 22,041.02, 30,416.51 and 11,969.38 is: 16,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.02 : 30,416.51 = 11,969.38 : x
  2. Step 2: Convert to fraction form
    22,041.02/30,416.51 = 11,969.38/x
  3. Step 3: Cross multiply
    22,041.02x = 30,416.51 × 11,969.38
  4. Step 4: Simplify right side
    22,041.02x = 364,066,766.46
  5. Step 5: Solve for x
    x = 364,066,766.46/22,041.02
  6. Step 6: Final answer
    x = 16,517.69

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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.