Home / 15,729.40-23,598.18-5,868.75

Finding the Fourth Proportional to 15,729.40, 23,598.18 and 5,868.75

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Solution

The fourth proportional to 15,729.40, 23,598.18 and 5,868.75 is: 8,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,729.40 : 23,598.18 = 5,868.75 : x
  2. Step 2: Convert to fraction form
    15,729.40/23,598.18 = 5,868.75/x
  3. Step 3: Cross multiply
    15,729.40x = 23,598.18 × 5,868.75
  4. Step 4: Simplify right side
    15,729.40x = 138,491,818.88
  5. Step 5: Solve for x
    x = 138,491,818.88/15,729.40
  6. Step 6: Final answer
    x = 8,804.65

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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.