Home / 15,121.12-22,675.56-5,258.32

Finding the Fourth Proportional to 15,121.12, 22,675.56 and 5,258.32

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Solution

The fourth proportional to 15,121.12, 22,675.56 and 5,258.32 is: 7,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.12 : 22,675.56 = 5,258.32 : x
  2. Step 2: Convert to fraction form
    15,121.12/22,675.56 = 5,258.32/x
  3. Step 3: Cross multiply
    15,121.12x = 22,675.56 × 5,258.32
  4. Step 4: Simplify right side
    15,121.12x = 119,235,350.66
  5. Step 5: Solve for x
    x = 119,235,350.66/15,121.12
  6. Step 6: Final answer
    x = 7,885.35

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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.