Home / 25,925.39-38,878.36-11,126.69

Finding the Fourth Proportional to 25,925.39, 38,878.36 and 11,126.69

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Solution

The fourth proportional to 25,925.39, 38,878.36 and 11,126.69 is: 16,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.39 : 38,878.36 = 11,126.69 : x
  2. Step 2: Convert to fraction form
    25,925.39/38,878.36 = 11,126.69/x
  3. Step 3: Cross multiply
    25,925.39x = 38,878.36 × 11,126.69
  4. Step 4: Simplify right side
    25,925.39x = 432,587,459.43
  5. Step 5: Solve for x
    x = 432,587,459.43/25,925.39
  6. Step 6: Final answer
    x = 16,685.86

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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.