Home / 25,292.20-37,887.48-12,603.68

Finding the Fourth Proportional to 25,292.20, 37,887.48 and 12,603.68

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Solution

The fourth proportional to 25,292.20, 37,887.48 and 12,603.68 is: 18,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,292.20 : 37,887.48 = 12,603.68 : x
  2. Step 2: Convert to fraction form
    25,292.20/37,887.48 = 12,603.68/x
  3. Step 3: Cross multiply
    25,292.20x = 37,887.48 × 12,603.68
  4. Step 4: Simplify right side
    25,292.20x = 477,521,673.93
  5. Step 5: Solve for x
    x = 477,521,673.93/25,292.20
  6. Step 6: Final answer
    x = 18,880.20

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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.