Home / 18,081.98-24,953.20-10,015.85

Finding the Fourth Proportional to 18,081.98, 24,953.20 and 10,015.85

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Solution

The fourth proportional to 18,081.98, 24,953.20 and 10,015.85 is: 13,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.98 : 24,953.20 = 10,015.85 : x
  2. Step 2: Convert to fraction form
    18,081.98/24,953.20 = 10,015.85/x
  3. Step 3: Cross multiply
    18,081.98x = 24,953.20 × 10,015.85
  4. Step 4: Simplify right side
    18,081.98x = 249,927,545.56
  5. Step 5: Solve for x
    x = 249,927,545.56/18,081.98
  6. Step 6: Final answer
    x = 13,821.91

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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.