Home / 25,886.12-38,821.65-10,087.62

Finding the Fourth Proportional to 25,886.12, 38,821.65 and 10,087.62

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Solution

The fourth proportional to 25,886.12, 38,821.65 and 10,087.62 is: 15,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.12 : 38,821.65 = 10,087.62 : x
  2. Step 2: Convert to fraction form
    25,886.12/38,821.65 = 10,087.62/x
  3. Step 3: Cross multiply
    25,886.12x = 38,821.65 × 10,087.62
  4. Step 4: Simplify right side
    25,886.12x = 391,618,052.97
  5. Step 5: Solve for x
    x = 391,618,052.97/25,886.12
  6. Step 6: Final answer
    x = 15,128.50

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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.