Home / 22,860.77-31,545.45-13,298.85

Finding the Fourth Proportional to 22,860.77, 31,545.45 and 13,298.85

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Solution

The fourth proportional to 22,860.77, 31,545.45 and 13,298.85 is: 18,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.77 : 31,545.45 = 13,298.85 : x
  2. Step 2: Convert to fraction form
    22,860.77/31,545.45 = 13,298.85/x
  3. Step 3: Cross multiply
    22,860.77x = 31,545.45 × 13,298.85
  4. Step 4: Simplify right side
    22,860.77x = 419,518,207.73
  5. Step 5: Solve for x
    x = 419,518,207.73/22,860.77
  6. Step 6: Final answer
    x = 18,351.01

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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.