Home / 22,714.43-33,988.61-13,358.86

Finding the Fourth Proportional to 22,714.43, 33,988.61 and 13,358.86

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Solution

The fourth proportional to 22,714.43, 33,988.61 and 13,358.86 is: 19,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714.43 : 33,988.61 = 13,358.86 : x
  2. Step 2: Convert to fraction form
    22,714.43/33,988.61 = 13,358.86/x
  3. Step 3: Cross multiply
    22,714.43x = 33,988.61 × 13,358.86
  4. Step 4: Simplify right side
    22,714.43x = 454,049,031.01
  5. Step 5: Solve for x
    x = 454,049,031.01/22,714.43
  6. Step 6: Final answer
    x = 19,989.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.