Home / 25,926.66-38,880.27-12,785.22

Finding the Fourth Proportional to 25,926.66, 38,880.27 and 12,785.22

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Solution

The fourth proportional to 25,926.66, 38,880.27 and 12,785.22 is: 19,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.66 : 38,880.27 = 12,785.22 : x
  2. Step 2: Convert to fraction form
    25,926.66/38,880.27 = 12,785.22/x
  3. Step 3: Cross multiply
    25,926.66x = 38,880.27 × 12,785.22
  4. Step 4: Simplify right side
    25,926.66x = 497,092,805.61
  5. Step 5: Solve for x
    x = 497,092,805.61/25,926.66
  6. Step 6: Final answer
    x = 19,173.04

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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.