Home / 15,493.87-21,376.49-9,032.04

Finding the Fourth Proportional to 15,493.87, 21,376.49 and 9,032.04

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Solution

The fourth proportional to 15,493.87, 21,376.49 and 9,032.04 is: 12,461.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.87 : 21,376.49 = 9,032.04 : x
  2. Step 2: Convert to fraction form
    15,493.87/21,376.49 = 9,032.04/x
  3. Step 3: Cross multiply
    15,493.87x = 21,376.49 × 9,032.04
  4. Step 4: Simplify right side
    15,493.87x = 193,073,312.74
  5. Step 5: Solve for x
    x = 193,073,312.74/15,493.87
  6. Step 6: Final answer
    x = 12,461.27

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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.