Home / 14,387.19-19,859.90-11,244.39

Finding the Fourth Proportional to 14,387.19, 19,859.90 and 11,244.39

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Solution

The fourth proportional to 14,387.19, 19,859.90 and 11,244.39 is: 15,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.19 : 19,859.90 = 11,244.39 : x
  2. Step 2: Convert to fraction form
    14,387.19/19,859.90 = 11,244.39/x
  3. Step 3: Cross multiply
    14,387.19x = 19,859.90 × 11,244.39
  4. Step 4: Simplify right side
    14,387.19x = 223,312,404.74
  5. Step 5: Solve for x
    x = 223,312,404.74/14,387.19
  6. Step 6: Final answer
    x = 15,521.61

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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.