Home / 23,277.20-32,124.89-13,720.16

Finding the Fourth Proportional to 23,277.20, 32,124.89 and 13,720.16

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Solution

The fourth proportional to 23,277.20, 32,124.89 and 13,720.16 is: 18,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,277.20 : 32,124.89 = 13,720.16 : x
  2. Step 2: Convert to fraction form
    23,277.20/32,124.89 = 13,720.16/x
  3. Step 3: Cross multiply
    23,277.20x = 32,124.89 × 13,720.16
  4. Step 4: Simplify right side
    23,277.20x = 440,758,401.56
  5. Step 5: Solve for x
    x = 440,758,401.56/23,277.20
  6. Step 6: Final answer
    x = 18,935.20

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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.