Home / 25,111.76-34,653.02-15,040.62

Finding the Fourth Proportional to 25,111.76, 34,653.02 and 15,040.62

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Solution

The fourth proportional to 25,111.76, 34,653.02 and 15,040.62 is: 20,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.76 : 34,653.02 = 15,040.62 : x
  2. Step 2: Convert to fraction form
    25,111.76/34,653.02 = 15,040.62/x
  3. Step 3: Cross multiply
    25,111.76x = 34,653.02 × 15,040.62
  4. Step 4: Simplify right side
    25,111.76x = 521,202,830.47
  5. Step 5: Solve for x
    x = 521,202,830.47/25,111.76
  6. Step 6: Final answer
    x = 20,755.33

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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.