Home / 23,421.29-32,312.31-14,921.89

Finding the Fourth Proportional to 23,421.29, 32,312.31 and 14,921.89

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Solution

The fourth proportional to 23,421.29, 32,312.31 and 14,921.89 is: 20,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.29 : 32,312.31 = 14,921.89 : x
  2. Step 2: Convert to fraction form
    23,421.29/32,312.31 = 14,921.89/x
  3. Step 3: Cross multiply
    23,421.29x = 32,312.31 × 14,921.89
  4. Step 4: Simplify right side
    23,421.29x = 482,160,780.48
  5. Step 5: Solve for x
    x = 482,160,780.48/23,421.29
  6. Step 6: Final answer
    x = 20,586.43

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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.