Home / 18,659.20-25,748.76-10,275.52

Finding the Fourth Proportional to 18,659.20, 25,748.76 and 10,275.52

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Solution

The fourth proportional to 18,659.20, 25,748.76 and 10,275.52 is: 14,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.20 : 25,748.76 = 10,275.52 : x
  2. Step 2: Convert to fraction form
    18,659.20/25,748.76 = 10,275.52/x
  3. Step 3: Cross multiply
    18,659.20x = 25,748.76 × 10,275.52
  4. Step 4: Simplify right side
    18,659.20x = 264,581,898.36
  5. Step 5: Solve for x
    x = 264,581,898.36/18,659.20
  6. Step 6: Final answer
    x = 14,179.70

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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.