Home / 15,125.55-22,671.51-11,415.75

Finding the Fourth Proportional to 15,125.55, 22,671.51 and 11,415.75

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Solution

The fourth proportional to 15,125.55, 22,671.51 and 11,415.75 is: 17,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.55 : 22,671.51 = 11,415.75 : x
  2. Step 2: Convert to fraction form
    15,125.55/22,671.51 = 11,415.75/x
  3. Step 3: Cross multiply
    15,125.55x = 22,671.51 × 11,415.75
  4. Step 4: Simplify right side
    15,125.55x = 258,812,290.28
  5. Step 5: Solve for x
    x = 258,812,290.28/15,125.55
  6. Step 6: Final answer
    x = 17,110.93

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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.