Home / 23,351.60-32,224.20-12,740.72

Finding the Fourth Proportional to 23,351.60, 32,224.20 and 12,740.72

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Solution

The fourth proportional to 23,351.60, 32,224.20 and 12,740.72 is: 17,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,351.60 : 32,224.20 = 12,740.72 : x
  2. Step 2: Convert to fraction form
    23,351.60/32,224.20 = 12,740.72/x
  3. Step 3: Cross multiply
    23,351.60x = 32,224.20 × 12,740.72
  4. Step 4: Simplify right side
    23,351.60x = 410,559,509.42
  5. Step 5: Solve for x
    x = 410,559,509.42/23,351.60
  6. Step 6: Final answer
    x = 17,581.64

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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.