Home / 21,024.18-29,013.69-11,592.75

Finding the Fourth Proportional to 21,024.18, 29,013.69 and 11,592.75

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Solution

The fourth proportional to 21,024.18, 29,013.69 and 11,592.75 is: 15,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.18 : 29,013.69 = 11,592.75 : x
  2. Step 2: Convert to fraction form
    21,024.18/29,013.69 = 11,592.75/x
  3. Step 3: Cross multiply
    21,024.18x = 29,013.69 × 11,592.75
  4. Step 4: Simplify right side
    21,024.18x = 336,348,454.75
  5. Step 5: Solve for x
    x = 336,348,454.75/21,024.18
  6. Step 6: Final answer
    x = 15,998.17

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Half scale
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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.