Home / 23,529.06-32,470.20-12,918.90

Finding the Fourth Proportional to 23,529.06, 32,470.20 and 12,918.90

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Solution

The fourth proportional to 23,529.06, 32,470.20 and 12,918.90 is: 17,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,529.06 : 32,470.20 = 12,918.90 : x
  2. Step 2: Convert to fraction form
    23,529.06/32,470.20 = 12,918.90/x
  3. Step 3: Cross multiply
    23,529.06x = 32,470.20 × 12,918.90
  4. Step 4: Simplify right side
    23,529.06x = 419,479,266.78
  5. Step 5: Solve for x
    x = 419,479,266.78/23,529.06
  6. Step 6: Final answer
    x = 17,828.14

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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.