Home / 14,545.77-20,070.14-9,238.65

Finding the Fourth Proportional to 14,545.77, 20,070.14 and 9,238.65

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Solution

The fourth proportional to 14,545.77, 20,070.14 and 9,238.65 is: 12,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.77 : 20,070.14 = 9,238.65 : x
  2. Step 2: Convert to fraction form
    14,545.77/20,070.14 = 9,238.65/x
  3. Step 3: Cross multiply
    14,545.77x = 20,070.14 × 9,238.65
  4. Step 4: Simplify right side
    14,545.77x = 185,420,998.91
  5. Step 5: Solve for x
    x = 185,420,998.91/14,545.77
  6. Step 6: Final answer
    x = 12,747.42

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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.