Home / 13,305.19-18,361.29-7,337.10

Finding the Fourth Proportional to 13,305.19, 18,361.29 and 7,337.10

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Solution

The fourth proportional to 13,305.19, 18,361.29 and 7,337.10 is: 10,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.19 : 18,361.29 = 7,337.10 : x
  2. Step 2: Convert to fraction form
    13,305.19/18,361.29 = 7,337.10/x
  3. Step 3: Cross multiply
    13,305.19x = 18,361.29 × 7,337.10
  4. Step 4: Simplify right side
    13,305.19x = 134,718,620.86
  5. Step 5: Solve for x
    x = 134,718,620.86/13,305.19
  6. Step 6: Final answer
    x = 10,125.27

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Double scale
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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.