Home / 26,800.20-36,987.30-15,472.69

Finding the Fourth Proportional to 26,800.20, 36,987.30 and 15,472.69

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Solution

The fourth proportional to 26,800.20, 36,987.30 and 15,472.69 is: 21,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,800.20 : 36,987.30 = 15,472.69 : x
  2. Step 2: Convert to fraction form
    26,800.20/36,987.30 = 15,472.69/x
  3. Step 3: Cross multiply
    26,800.20x = 36,987.30 × 15,472.69
  4. Step 4: Simplify right side
    26,800.20x = 572,292,934.37
  5. Step 5: Solve for x
    x = 572,292,934.37/26,800.20
  6. Step 6: Final answer
    x = 21,354.05

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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.