Home / 14,115.80-19,488.99-9,637.92

Finding the Fourth Proportional to 14,115.80, 19,488.99 and 9,637.92

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Solution

The fourth proportional to 14,115.80, 19,488.99 and 9,637.92 is: 13,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.80 : 19,488.99 = 9,637.92 : x
  2. Step 2: Convert to fraction form
    14,115.80/19,488.99 = 9,637.92/x
  3. Step 3: Cross multiply
    14,115.80x = 19,488.99 × 9,637.92
  4. Step 4: Simplify right side
    14,115.80x = 187,833,326.50
  5. Step 5: Solve for x
    x = 187,833,326.50/14,115.80
  6. Step 6: Final answer
    x = 13,306.61

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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.