Home / 25,656.05-38,488.13-10,865.06

Finding the Fourth Proportional to 25,656.05, 38,488.13 and 10,865.06

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Solution

The fourth proportional to 25,656.05, 38,488.13 and 10,865.06 is: 16,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.05 : 38,488.13 = 10,865.06 : x
  2. Step 2: Convert to fraction form
    25,656.05/38,488.13 = 10,865.06/x
  3. Step 3: Cross multiply
    25,656.05x = 38,488.13 × 10,865.06
  4. Step 4: Simplify right side
    25,656.05x = 418,175,841.74
  5. Step 5: Solve for x
    x = 418,175,841.74/25,656.05
  6. Step 6: Final answer
    x = 16,299.31

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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.