Home / 23,663.16-32,654.08-12,907.78

Finding the Fourth Proportional to 23,663.16, 32,654.08 and 12,907.78

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Solution

The fourth proportional to 23,663.16, 32,654.08 and 12,907.78 is: 17,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,663.16 : 32,654.08 = 12,907.78 : x
  2. Step 2: Convert to fraction form
    23,663.16/32,654.08 = 12,907.78/x
  3. Step 3: Cross multiply
    23,663.16x = 32,654.08 × 12,907.78
  4. Step 4: Simplify right side
    23,663.16x = 421,491,680.74
  5. Step 5: Solve for x
    x = 421,491,680.74/23,663.16
  6. Step 6: Final answer
    x = 17,812.15

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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.