Home / 14,825.79-20,454.53-9,154.62

Finding the Fourth Proportional to 14,825.79, 20,454.53 and 9,154.62

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Solution

The fourth proportional to 14,825.79, 20,454.53 and 9,154.62 is: 12,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.79 : 20,454.53 = 9,154.62 : x
  2. Step 2: Convert to fraction form
    14,825.79/20,454.53 = 9,154.62/x
  3. Step 3: Cross multiply
    14,825.79x = 20,454.53 × 9,154.62
  4. Step 4: Simplify right side
    14,825.79x = 187,253,403.66
  5. Step 5: Solve for x
    x = 187,253,403.66/14,825.79
  6. Step 6: Final answer
    x = 12,630.25

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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.