Home / 25,500.74-38,256.51-7,971.89

Finding the Fourth Proportional to 25,500.74, 38,256.51 and 7,971.89

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Solution

The fourth proportional to 25,500.74, 38,256.51 and 7,971.89 is: 11,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.74 : 38,256.51 = 7,971.89 : x
  2. Step 2: Convert to fraction form
    25,500.74/38,256.51 = 7,971.89/x
  3. Step 3: Cross multiply
    25,500.74x = 38,256.51 × 7,971.89
  4. Step 4: Simplify right side
    25,500.74x = 304,976,689.50
  5. Step 5: Solve for x
    x = 304,976,689.50/25,500.74
  6. Step 6: Final answer
    x = 11,959.52

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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.