Home / 15,829.20-23,695.20-14,954.40

Finding the Fourth Proportional to 15,829.20, 23,695.20 and 14,954.40

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Solution

The fourth proportional to 15,829.20, 23,695.20 and 14,954.40 is: 22,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.20 : 23,695.20 = 14,954.40 : x
  2. Step 2: Convert to fraction form
    15,829.20/23,695.20 = 14,954.40/x
  3. Step 3: Cross multiply
    15,829.20x = 23,695.20 × 14,954.40
  4. Step 4: Simplify right side
    15,829.20x = 354,347,498.88
  5. Step 5: Solve for x
    x = 354,347,498.88/15,829.20
  6. Step 6: Final answer
    x = 22,385.69

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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.