Home / 15,003.12-22,502.37-5,140.14

Finding the Fourth Proportional to 15,003.12, 22,502.37 and 5,140.14

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Solution

The fourth proportional to 15,003.12, 22,502.37 and 5,140.14 is: 7,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.12 : 22,502.37 = 5,140.14 : x
  2. Step 2: Convert to fraction form
    15,003.12/22,502.37 = 5,140.14/x
  3. Step 3: Cross multiply
    15,003.12x = 22,502.37 × 5,140.14
  4. Step 4: Simplify right side
    15,003.12x = 115,665,332.13
  5. Step 5: Solve for x
    x = 115,665,332.13/15,003.12
  6. Step 6: Final answer
    x = 7,709.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.