Home / 25,188.45-37,781.16-9,390.42

Finding the Fourth Proportional to 25,188.45, 37,781.16 and 9,390.42

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Solution

The fourth proportional to 25,188.45, 37,781.16 and 9,390.42 is: 14,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.45 : 37,781.16 = 9,390.42 : x
  2. Step 2: Convert to fraction form
    25,188.45/37,781.16 = 9,390.42/x
  3. Step 3: Cross multiply
    25,188.45x = 37,781.16 × 9,390.42
  4. Step 4: Simplify right side
    25,188.45x = 354,780,960.49
  5. Step 5: Solve for x
    x = 354,780,960.49/25,188.45
  6. Step 6: Final answer
    x = 14,085.07

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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.