Home / 23,158.17-31,957.20-14,664.78

Finding the Fourth Proportional to 23,158.17, 31,957.20 and 14,664.78

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Solution

The fourth proportional to 23,158.17, 31,957.20 and 14,664.78 is: 20,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,158.17 : 31,957.20 = 14,664.78 : x
  2. Step 2: Convert to fraction form
    23,158.17/31,957.20 = 14,664.78/x
  3. Step 3: Cross multiply
    23,158.17x = 31,957.20 × 14,664.78
  4. Step 4: Simplify right side
    23,158.17x = 468,645,307.42
  5. Step 5: Solve for x
    x = 468,645,307.42/23,158.17
  6. Step 6: Final answer
    x = 20,236.72

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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.