Home / 18,101.16-25,002.54-16,332.12

Finding the Fourth Proportional to 18,101.16, 25,002.54 and 16,332.12

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Solution

The fourth proportional to 18,101.16, 25,002.54 and 16,332.12 is: 22,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.16 : 25,002.54 = 16,332.12 : x
  2. Step 2: Convert to fraction form
    18,101.16/25,002.54 = 16,332.12/x
  3. Step 3: Cross multiply
    18,101.16x = 25,002.54 × 16,332.12
  4. Step 4: Simplify right side
    18,101.16x = 408,344,483.58
  5. Step 5: Solve for x
    x = 408,344,483.58/18,101.16
  6. Step 6: Final answer
    x = 22,559.02

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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.