Home / 25,375.64-38,074.40-10,587.48

Finding the Fourth Proportional to 25,375.64, 38,074.40 and 10,587.48

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Solution

The fourth proportional to 25,375.64, 38,074.40 and 10,587.48 is: 15,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.64 : 38,074.40 = 10,587.48 : x
  2. Step 2: Convert to fraction form
    25,375.64/38,074.40 = 10,587.48/x
  3. Step 3: Cross multiply
    25,375.64x = 38,074.40 × 10,587.48
  4. Step 4: Simplify right side
    25,375.64x = 403,111,948.51
  5. Step 5: Solve for x
    x = 403,111,948.51/25,375.64
  6. Step 6: Final answer
    x = 15,885.78

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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.