Home / 26,909.20-37,134.10-15,579.18

Finding the Fourth Proportional to 26,909.20, 37,134.10 and 15,579.18

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Solution

The fourth proportional to 26,909.20, 37,134.10 and 15,579.18 is: 21,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.20 : 37,134.10 = 15,579.18 : x
  2. Step 2: Convert to fraction form
    26,909.20/37,134.10 = 15,579.18/x
  3. Step 3: Cross multiply
    26,909.20x = 37,134.10 × 15,579.18
  4. Step 4: Simplify right side
    26,909.20x = 578,518,828.04
  5. Step 5: Solve for x
    x = 578,518,828.04/26,909.20
  6. Step 6: Final answer
    x = 21,498.92

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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.