Home / 18,233.20-25,168.08-10,681.92

Finding the Fourth Proportional to 18,233.20, 25,168.08 and 10,681.92

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Solution

The fourth proportional to 18,233.20, 25,168.08 and 10,681.92 is: 14,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.20 : 25,168.08 = 10,681.92 : x
  2. Step 2: Convert to fraction form
    18,233.20/25,168.08 = 10,681.92/x
  3. Step 3: Cross multiply
    18,233.20x = 25,168.08 × 10,681.92
  4. Step 4: Simplify right side
    18,233.20x = 268,843,417.11
  5. Step 5: Solve for x
    x = 268,843,417.11/18,233.20
  6. Step 6: Final answer
    x = 14,744.72

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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.