Home / 14,519.31-21,778.89-9,587.77

Finding the Fourth Proportional to 14,519.31, 21,778.89 and 9,587.77

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Solution

The fourth proportional to 14,519.31, 21,778.89 and 9,587.77 is: 14,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.31 : 21,778.89 = 9,587.77 : x
  2. Step 2: Convert to fraction form
    14,519.31/21,778.89 = 9,587.77/x
  3. Step 3: Cross multiply
    14,519.31x = 21,778.89 × 9,587.77
  4. Step 4: Simplify right side
    14,519.31x = 208,810,988.18
  5. Step 5: Solve for x
    x = 208,810,988.18/14,519.31
  6. Step 6: Final answer
    x = 14,381.61

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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.