Home / 22,665.92-31,278.30-12,594.11

Finding the Fourth Proportional to 22,665.92, 31,278.30 and 12,594.11

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Solution

The fourth proportional to 22,665.92, 31,278.30 and 12,594.11 is: 17,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.92 : 31,278.30 = 12,594.11 : x
  2. Step 2: Convert to fraction form
    22,665.92/31,278.30 = 12,594.11/x
  3. Step 3: Cross multiply
    22,665.92x = 31,278.30 × 12,594.11
  4. Step 4: Simplify right side
    22,665.92x = 393,922,350.81
  5. Step 5: Solve for x
    x = 393,922,350.81/22,665.92
  6. Step 6: Final answer
    x = 17,379.50

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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.