Home / 16,666.56-22,998.91-9,111.49

Finding the Fourth Proportional to 16,666.56, 22,998.91 and 9,111.49

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Solution

The fourth proportional to 16,666.56, 22,998.91 and 9,111.49 is: 12,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.56 : 22,998.91 = 9,111.49 : x
  2. Step 2: Convert to fraction form
    16,666.56/22,998.91 = 9,111.49/x
  3. Step 3: Cross multiply
    16,666.56x = 22,998.91 × 9,111.49
  4. Step 4: Simplify right side
    16,666.56x = 209,554,280.98
  5. Step 5: Solve for x
    x = 209,554,280.98/16,666.56
  6. Step 6: Final answer
    x = 12,573.34

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Double scale
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Similar ratio
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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.