Home / 15,441.24-21,301.10-10,134.12

Finding the Fourth Proportional to 15,441.24, 21,301.10 and 10,134.12

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Solution

The fourth proportional to 15,441.24, 21,301.10 and 10,134.12 is: 13,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.24 : 21,301.10 = 10,134.12 : x
  2. Step 2: Convert to fraction form
    15,441.24/21,301.10 = 10,134.12/x
  3. Step 3: Cross multiply
    15,441.24x = 21,301.10 × 10,134.12
  4. Step 4: Simplify right side
    15,441.24x = 215,867,903.53
  5. Step 5: Solve for x
    x = 215,867,903.53/15,441.24
  6. Step 6: Final answer
    x = 13,979.96

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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.