Home / 23,328.24-32,191.20-12,717.60

Finding the Fourth Proportional to 23,328.24, 32,191.20 and 12,717.60

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Solution

The fourth proportional to 23,328.24, 32,191.20 and 12,717.60 is: 17,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,328.24 : 32,191.20 = 12,717.60 : x
  2. Step 2: Convert to fraction form
    23,328.24/32,191.20 = 12,717.60/x
  3. Step 3: Cross multiply
    23,328.24x = 32,191.20 × 12,717.60
  4. Step 4: Simplify right side
    23,328.24x = 409,394,805.12
  5. Step 5: Solve for x
    x = 409,394,805.12/23,328.24
  6. Step 6: Final answer
    x = 17,549.32

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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.