Home / 12,444.10-18,666.15-11,493.70

Finding the Fourth Proportional to 12,444.10, 18,666.15 and 11,493.70

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Solution

The fourth proportional to 12,444.10, 18,666.15 and 11,493.70 is: 17,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.10 : 18,666.15 = 11,493.70 : x
  2. Step 2: Convert to fraction form
    12,444.10/18,666.15 = 11,493.70/x
  3. Step 3: Cross multiply
    12,444.10x = 18,666.15 × 11,493.70
  4. Step 4: Simplify right side
    12,444.10x = 214,543,128.26
  5. Step 5: Solve for x
    x = 214,543,128.26/12,444.10
  6. Step 6: Final answer
    x = 17,240.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.