Home / 25,240.17-37,860.87-12,078.08

Finding the Fourth Proportional to 25,240.17, 37,860.87 and 12,078.08

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Solution

The fourth proportional to 25,240.17, 37,860.87 and 12,078.08 is: 18,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.17 : 37,860.87 = 12,078.08 : x
  2. Step 2: Convert to fraction form
    25,240.17/37,860.87 = 12,078.08/x
  3. Step 3: Cross multiply
    25,240.17x = 37,860.87 × 12,078.08
  4. Step 4: Simplify right side
    25,240.17x = 457,286,546.76
  5. Step 5: Solve for x
    x = 457,286,546.76/25,240.17
  6. Step 6: Final answer
    x = 18,117.41

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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.