Home / 15,117.18-22,690.17-9,285.18

Finding the Fourth Proportional to 15,117.18, 22,690.17 and 9,285.18

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Solution

The fourth proportional to 15,117.18, 22,690.17 and 9,285.18 is: 13,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.18 : 22,690.17 = 9,285.18 : x
  2. Step 2: Convert to fraction form
    15,117.18/22,690.17 = 9,285.18/x
  3. Step 3: Cross multiply
    15,117.18x = 22,690.17 × 9,285.18
  4. Step 4: Simplify right side
    15,117.18x = 210,682,312.68
  5. Step 5: Solve for x
    x = 210,682,312.68/15,117.18
  6. Step 6: Final answer
    x = 13,936.61

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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.