Home / 22,038.17-30,412.55-11,966.54

Finding the Fourth Proportional to 22,038.17, 30,412.55 and 11,966.54

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Solution

The fourth proportional to 22,038.17, 30,412.55 and 11,966.54 is: 16,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.17 : 30,412.55 = 11,966.54 : x
  2. Step 2: Convert to fraction form
    22,038.17/30,412.55 = 11,966.54/x
  3. Step 3: Cross multiply
    22,038.17x = 30,412.55 × 11,966.54
  4. Step 4: Simplify right side
    22,038.17x = 363,932,873.93
  5. Step 5: Solve for x
    x = 363,932,873.93/22,038.17
  6. Step 6: Final answer
    x = 16,513.76

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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.