Home / 13,565.52-18,720.24-7,597.14

Finding the Fourth Proportional to 13,565.52, 18,720.24 and 7,597.14

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Solution

The fourth proportional to 13,565.52, 18,720.24 and 7,597.14 is: 10,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.52 : 18,720.24 = 7,597.14 : x
  2. Step 2: Convert to fraction form
    13,565.52/18,720.24 = 7,597.14/x
  3. Step 3: Cross multiply
    13,565.52x = 18,720.24 × 7,597.14
  4. Step 4: Simplify right side
    13,565.52x = 142,220,284.11
  5. Step 5: Solve for x
    x = 142,220,284.11/13,565.52
  6. Step 6: Final answer
    x = 10,483.95

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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.