Home / 18,501.14-25,521.18-11,422.52

Finding the Fourth Proportional to 18,501.14, 25,521.18 and 11,422.52

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Solution

The fourth proportional to 18,501.14, 25,521.18 and 11,422.52 is: 15,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.14 : 25,521.18 = 11,422.52 : x
  2. Step 2: Convert to fraction form
    18,501.14/25,521.18 = 11,422.52/x
  3. Step 3: Cross multiply
    18,501.14x = 25,521.18 × 11,422.52
  4. Step 4: Simplify right side
    18,501.14x = 291,516,188.97
  5. Step 5: Solve for x
    x = 291,516,188.97/18,501.14
  6. Step 6: Final answer
    x = 15,756.66

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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.