Home / 25,148.90-37,729.19-7,378.84

Finding the Fourth Proportional to 25,148.90, 37,729.19 and 7,378.84

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Solution

The fourth proportional to 25,148.90, 37,729.19 and 7,378.84 is: 11,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.90 : 37,729.19 = 7,378.84 : x
  2. Step 2: Convert to fraction form
    25,148.90/37,729.19 = 7,378.84/x
  3. Step 3: Cross multiply
    25,148.90x = 37,729.19 × 7,378.84
  4. Step 4: Simplify right side
    25,148.90x = 278,397,721.95
  5. Step 5: Solve for x
    x = 278,397,721.95/25,148.90
  6. Step 6: Final answer
    x = 11,069.98

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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.