Home / 25,188.90-34,750.44-15,117.54

Finding the Fourth Proportional to 25,188.90, 34,750.44 and 15,117.54

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Solution

The fourth proportional to 25,188.90, 34,750.44 and 15,117.54 is: 20,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.90 : 34,750.44 = 15,117.54 : x
  2. Step 2: Convert to fraction form
    25,188.90/34,750.44 = 15,117.54/x
  3. Step 3: Cross multiply
    25,188.90x = 34,750.44 × 15,117.54
  4. Step 4: Simplify right side
    25,188.90x = 525,341,166.72
  5. Step 5: Solve for x
    x = 525,341,166.72/25,188.90
  6. Step 6: Final answer
    x = 20,856.06

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1.5x scale

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.