Home / 25,040.46-34,557.52-14,430.78

Finding the Fourth Proportional to 25,040.46, 34,557.52 and 14,430.78

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Solution

The fourth proportional to 25,040.46, 34,557.52 and 14,430.78 is: 19,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.46 : 34,557.52 = 14,430.78 : x
  2. Step 2: Convert to fraction form
    25,040.46/34,557.52 = 14,430.78/x
  3. Step 3: Cross multiply
    25,040.46x = 34,557.52 × 14,430.78
  4. Step 4: Simplify right side
    25,040.46x = 498,691,968.47
  5. Step 5: Solve for x
    x = 498,691,968.47/25,040.46
  6. Step 6: Final answer
    x = 19,915.45

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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.