Home / 23,421.46-32,320.79-13,353.14

Finding the Fourth Proportional to 23,421.46, 32,320.79 and 13,353.14

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Solution

The fourth proportional to 23,421.46, 32,320.79 and 13,353.14 is: 18,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.46 : 32,320.79 = 13,353.14 : x
  2. Step 2: Convert to fraction form
    23,421.46/32,320.79 = 13,353.14/x
  3. Step 3: Cross multiply
    23,421.46x = 32,320.79 × 13,353.14
  4. Step 4: Simplify right side
    23,421.46x = 431,583,872.18
  5. Step 5: Solve for x
    x = 431,583,872.18/23,421.46
  6. Step 6: Final answer
    x = 18,426.86

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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.