Home / 26,612.70-39,904.65-11,031.90

Finding the Fourth Proportional to 26,612.70, 39,904.65 and 11,031.90

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Solution

The fourth proportional to 26,612.70, 39,904.65 and 11,031.90 is: 16,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.70 : 39,904.65 = 11,031.90 : x
  2. Step 2: Convert to fraction form
    26,612.70/39,904.65 = 11,031.90/x
  3. Step 3: Cross multiply
    26,612.70x = 39,904.65 × 11,031.90
  4. Step 4: Simplify right side
    26,612.70x = 440,224,108.34
  5. Step 5: Solve for x
    x = 440,224,108.34/26,612.70
  6. Step 6: Final answer
    x = 16,541.88

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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.