Home / 25,124.40-34,659.69-15,048

Finding the Fourth Proportional to 25,124.40, 34,659.69 and 15,048

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Solution

The fourth proportional to 25,124.40, 34,659.69 and 15,048 is: 20,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,124.40 : 34,659.69 = 15,048 : x
  2. Step 2: Convert to fraction form
    25,124.40/34,659.69 = 15,048/x
  3. Step 3: Cross multiply
    25,124.40x = 34,659.69 × 15,048
  4. Step 4: Simplify right side
    25,124.40x = 521,559,015.12
  5. Step 5: Solve for x
    x = 521,559,015.12/25,124.40
  6. Step 6: Final answer
    x = 20,759.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.