Home / 16,045.29-22,143.38-8,971.56

Finding the Fourth Proportional to 16,045.29, 22,143.38 and 8,971.56

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Solution

The fourth proportional to 16,045.29, 22,143.38 and 8,971.56 is: 12,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,045.29 : 22,143.38 = 8,971.56 : x
  2. Step 2: Convert to fraction form
    16,045.29/22,143.38 = 8,971.56/x
  3. Step 3: Cross multiply
    16,045.29x = 22,143.38 × 8,971.56
  4. Step 4: Simplify right side
    16,045.29x = 198,660,617.42
  5. Step 5: Solve for x
    x = 198,660,617.42/16,045.29
  6. Step 6: Final answer
    x = 12,381.24

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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.