Home / 16,278.49-22,456.74-9,561.97

Finding the Fourth Proportional to 16,278.49, 22,456.74 and 9,561.97

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Solution

The fourth proportional to 16,278.49, 22,456.74 and 9,561.97 is: 13,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.49 : 22,456.74 = 9,561.97 : x
  2. Step 2: Convert to fraction form
    16,278.49/22,456.74 = 9,561.97/x
  3. Step 3: Cross multiply
    16,278.49x = 22,456.74 × 9,561.97
  4. Step 4: Simplify right side
    16,278.49x = 214,730,674.18
  5. Step 5: Solve for x
    x = 214,730,674.18/16,278.49
  6. Step 6: Final answer
    x = 13,191.07

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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.