Home / 13,551.92-20,329.52-4,785.04

Finding the Fourth Proportional to 13,551.92, 20,329.52 and 4,785.04

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Solution

The fourth proportional to 13,551.92, 20,329.52 and 4,785.04 is: 7,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.92 : 20,329.52 = 4,785.04 : x
  2. Step 2: Convert to fraction form
    13,551.92/20,329.52 = 4,785.04/x
  3. Step 3: Cross multiply
    13,551.92x = 20,329.52 × 4,785.04
  4. Step 4: Simplify right side
    13,551.92x = 97,277,566.38
  5. Step 5: Solve for x
    x = 97,277,566.38/13,551.92
  6. Step 6: Final answer
    x = 7,178.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.