Home / 22,962.48-31,652.28-15,000.72

Finding the Fourth Proportional to 22,962.48, 31,652.28 and 15,000.72

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Solution

The fourth proportional to 22,962.48, 31,652.28 and 15,000.72 is: 20,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,962.48 : 31,652.28 = 15,000.72 : x
  2. Step 2: Convert to fraction form
    22,962.48/31,652.28 = 15,000.72/x
  3. Step 3: Cross multiply
    22,962.48x = 31,652.28 × 15,000.72
  4. Step 4: Simplify right side
    22,962.48x = 474,806,989.64
  5. Step 5: Solve for x
    x = 474,806,989.64/22,962.48
  6. Step 6: Final answer
    x = 20,677.51

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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.