Home / 15,763.60-21,766.92-14,082.04

Finding the Fourth Proportional to 15,763.60, 21,766.92 and 14,082.04

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Solution

The fourth proportional to 15,763.60, 21,766.92 and 14,082.04 is: 19,444.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.60 : 21,766.92 = 14,082.04 : x
  2. Step 2: Convert to fraction form
    15,763.60/21,766.92 = 14,082.04/x
  3. Step 3: Cross multiply
    15,763.60x = 21,766.92 × 14,082.04
  4. Step 4: Simplify right side
    15,763.60x = 306,522,638.12
  5. Step 5: Solve for x
    x = 306,522,638.12/15,763.60
  6. Step 6: Final answer
    x = 19,444.96

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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.