Home / 21,532.17-29,728.88-19,256.43

Finding the Fourth Proportional to 21,532.17, 29,728.88 and 19,256.43

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Solution

The fourth proportional to 21,532.17, 29,728.88 and 19,256.43 is: 26,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.17 : 29,728.88 = 19,256.43 : x
  2. Step 2: Convert to fraction form
    21,532.17/29,728.88 = 19,256.43/x
  3. Step 3: Cross multiply
    21,532.17x = 29,728.88 × 19,256.43
  4. Step 4: Simplify right side
    21,532.17x = 572,472,096.70
  5. Step 5: Solve for x
    x = 572,472,096.70/21,532.17
  6. Step 6: Final answer
    x = 26,586.83

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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.