Home / 18,627.58-25,711.52-11,079.24

Finding the Fourth Proportional to 18,627.58, 25,711.52 and 11,079.24

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Solution

The fourth proportional to 18,627.58, 25,711.52 and 11,079.24 is: 15,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.58 : 25,711.52 = 11,079.24 : x
  2. Step 2: Convert to fraction form
    18,627.58/25,711.52 = 11,079.24/x
  3. Step 3: Cross multiply
    18,627.58x = 25,711.52 × 11,079.24
  4. Step 4: Simplify right side
    18,627.58x = 284,864,100.84
  5. Step 5: Solve for x
    x = 284,864,100.84/18,627.58
  6. Step 6: Final answer
    x = 15,292.60

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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.