Home / 21,024.81-29,014.20-11,593.40

Finding the Fourth Proportional to 21,024.81, 29,014.20 and 11,593.40

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Solution

The fourth proportional to 21,024.81, 29,014.20 and 11,593.40 is: 15,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.81 : 29,014.20 = 11,593.40 : x
  2. Step 2: Convert to fraction form
    21,024.81/29,014.20 = 11,593.40/x
  3. Step 3: Cross multiply
    21,024.81x = 29,014.20 × 11,593.40
  4. Step 4: Simplify right side
    21,024.81x = 336,373,081.21
  5. Step 5: Solve for x
    x = 336,373,081.21/21,024.81
  6. Step 6: Final answer
    x = 15,998.86

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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.