Home / 23,470.65-32,388.79-12,859.92

Finding the Fourth Proportional to 23,470.65, 32,388.79 and 12,859.92

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Solution

The fourth proportional to 23,470.65, 32,388.79 and 12,859.92 is: 17,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,470.65 : 32,388.79 = 12,859.92 : x
  2. Step 2: Convert to fraction form
    23,470.65/32,388.79 = 12,859.92/x
  3. Step 3: Cross multiply
    23,470.65x = 32,388.79 × 12,859.92
  4. Step 4: Simplify right side
    23,470.65x = 416,517,248.30
  5. Step 5: Solve for x
    x = 416,517,248.30/23,470.65
  6. Step 6: Final answer
    x = 17,746.30

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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.