Home / 14,391.68-21,585.74-3,862.49

Finding the Fourth Proportional to 14,391.68, 21,585.74 and 3,862.49

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Solution

The fourth proportional to 14,391.68, 21,585.74 and 3,862.49 is: 5,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.68 : 21,585.74 = 3,862.49 : x
  2. Step 2: Convert to fraction form
    14,391.68/21,585.74 = 3,862.49/x
  3. Step 3: Cross multiply
    14,391.68x = 21,585.74 × 3,862.49
  4. Step 4: Simplify right side
    14,391.68x = 83,374,577.65
  5. Step 5: Solve for x
    x = 83,374,577.65/14,391.68
  6. Step 6: Final answer
    x = 5,793.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.