Home / 17,629.28-26,442.84-7,240.76

Finding the Fourth Proportional to 17,629.28, 26,442.84 and 7,240.76

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Solution

The fourth proportional to 17,629.28, 26,442.84 and 7,240.76 is: 10,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.28 : 26,442.84 = 7,240.76 : x
  2. Step 2: Convert to fraction form
    17,629.28/26,442.84 = 7,240.76/x
  3. Step 3: Cross multiply
    17,629.28x = 26,442.84 × 7,240.76
  4. Step 4: Simplify right side
    17,629.28x = 191,466,258.16
  5. Step 5: Solve for x
    x = 191,466,258.16/17,629.28
  6. Step 6: Final answer
    x = 10,860.70

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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.