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Finding the Fourth Proportional to 15,472.30, 23,307.04 and 14,127.30

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Solution

The fourth proportional to 15,472.30, 23,307.04 and 14,127.30 is: 21,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.30 : 23,307.04 = 14,127.30 : x
  2. Step 2: Convert to fraction form
    15,472.30/23,307.04 = 14,127.30/x
  3. Step 3: Cross multiply
    15,472.30x = 23,307.04 × 14,127.30
  4. Step 4: Simplify right side
    15,472.30x = 329,265,546.19
  5. Step 5: Solve for x
    x = 329,265,546.19/15,472.30
  6. Step 6: Final answer
    x = 21,280.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.