Home / 13,292.77-18,343.59-7,324.42

Finding the Fourth Proportional to 13,292.77, 18,343.59 and 7,324.42

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Solution

The fourth proportional to 13,292.77, 18,343.59 and 7,324.42 is: 10,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.77 : 18,343.59 = 7,324.42 : x
  2. Step 2: Convert to fraction form
    13,292.77/18,343.59 = 7,324.42/x
  3. Step 3: Cross multiply
    13,292.77x = 18,343.59 × 7,324.42
  4. Step 4: Simplify right side
    13,292.77x = 134,356,157.47
  5. Step 5: Solve for x
    x = 134,356,157.47/13,292.77
  6. Step 6: Final answer
    x = 10,107.46

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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.