Home / 25,176.14-37,764.20-11,988.53

Finding the Fourth Proportional to 25,176.14, 37,764.20 and 11,988.53

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Solution

The fourth proportional to 25,176.14, 37,764.20 and 11,988.53 is: 17,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.14 : 37,764.20 = 11,988.53 : x
  2. Step 2: Convert to fraction form
    25,176.14/37,764.20 = 11,988.53/x
  3. Step 3: Cross multiply
    25,176.14x = 37,764.20 × 11,988.53
  4. Step 4: Simplify right side
    25,176.14x = 452,737,055.81
  5. Step 5: Solve for x
    x = 452,737,055.81/25,176.14
  6. Step 6: Final answer
    x = 17,982.79

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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.