Home / 25,464.88-38,155.80-15,583.40

Finding the Fourth Proportional to 25,464.88, 38,155.80 and 15,583.40

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Solution

The fourth proportional to 25,464.88, 38,155.80 and 15,583.40 is: 23,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,464.88 : 38,155.80 = 15,583.40 : x
  2. Step 2: Convert to fraction form
    25,464.88/38,155.80 = 15,583.40/x
  3. Step 3: Cross multiply
    25,464.88x = 38,155.80 × 15,583.40
  4. Step 4: Simplify right side
    25,464.88x = 594,597,147.16
  5. Step 5: Solve for x
    x = 594,597,147.16/25,464.88
  6. Step 6: Final answer
    x = 23,349.69

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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.