Home / 22,089.12-30,502.44-15,032.40

Finding the Fourth Proportional to 22,089.12, 30,502.44 and 15,032.40

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Solution

The fourth proportional to 22,089.12, 30,502.44 and 15,032.40 is: 20,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,089.12 : 30,502.44 = 15,032.40 : x
  2. Step 2: Convert to fraction form
    22,089.12/30,502.44 = 15,032.40/x
  3. Step 3: Cross multiply
    22,089.12x = 30,502.44 × 15,032.40
  4. Step 4: Simplify right side
    22,089.12x = 458,524,879.06
  5. Step 5: Solve for x
    x = 458,524,879.06/22,089.12
  6. Step 6: Final answer
    x = 20,757.95

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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.