Home / 25,148.74-37,728.95-7,378.68

Finding the Fourth Proportional to 25,148.74, 37,728.95 and 7,378.68

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Solution

The fourth proportional to 25,148.74, 37,728.95 and 7,378.68 is: 11,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.74 : 37,728.95 = 7,378.68 : x
  2. Step 2: Convert to fraction form
    25,148.74/37,728.95 = 7,378.68/x
  3. Step 3: Cross multiply
    25,148.74x = 37,728.95 × 7,378.68
  4. Step 4: Simplify right side
    25,148.74x = 278,389,994.88
  5. Step 5: Solve for x
    x = 278,389,994.88/25,148.74
  6. Step 6: Final answer
    x = 11,069.74

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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.