Home / 18,296.96-25,251.36-15,307.52

Finding the Fourth Proportional to 18,296.96, 25,251.36 and 15,307.52

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Solution

The fourth proportional to 18,296.96, 25,251.36 and 15,307.52 is: 21,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.96 : 25,251.36 = 15,307.52 : x
  2. Step 2: Convert to fraction form
    18,296.96/25,251.36 = 15,307.52/x
  3. Step 3: Cross multiply
    18,296.96x = 25,251.36 × 15,307.52
  4. Step 4: Simplify right side
    18,296.96x = 386,535,698.23
  5. Step 5: Solve for x
    x = 386,535,698.23/18,296.96
  6. Step 6: Final answer
    x = 21,125.68

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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.