Home / 21,044.23-29,038.46-11,612.79

Finding the Fourth Proportional to 21,044.23, 29,038.46 and 11,612.79

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Solution

The fourth proportional to 21,044.23, 29,038.46 and 11,612.79 is: 16,024.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.23 : 29,038.46 = 11,612.79 : x
  2. Step 2: Convert to fraction form
    21,044.23/29,038.46 = 11,612.79/x
  3. Step 3: Cross multiply
    21,044.23x = 29,038.46 × 11,612.79
  4. Step 4: Simplify right side
    21,044.23x = 337,217,537.90
  5. Step 5: Solve for x
    x = 337,217,537.90/21,044.23
  6. Step 6: Final answer
    x = 16,024.23

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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.