Home / 15,730.88-23,591.52-13,266.56

Finding the Fourth Proportional to 15,730.88, 23,591.52 and 13,266.56

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Solution

The fourth proportional to 15,730.88, 23,591.52 and 13,266.56 is: 19,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.88 : 23,591.52 = 13,266.56 : x
  2. Step 2: Convert to fraction form
    15,730.88/23,591.52 = 13,266.56/x
  3. Step 3: Cross multiply
    15,730.88x = 23,591.52 × 13,266.56
  4. Step 4: Simplify right side
    15,730.88x = 312,978,315.57
  5. Step 5: Solve for x
    x = 312,978,315.57/15,730.88
  6. Step 6: Final answer
    x = 19,895.79

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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.