Home / 25,476.93-38,215.40-7,948.13

Finding the Fourth Proportional to 25,476.93, 38,215.40 and 7,948.13

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Solution

The fourth proportional to 25,476.93, 38,215.40 and 7,948.13 is: 11,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.93 : 38,215.40 = 7,948.13 : x
  2. Step 2: Convert to fraction form
    25,476.93/38,215.40 = 7,948.13/x
  3. Step 3: Cross multiply
    25,476.93x = 38,215.40 × 7,948.13
  4. Step 4: Simplify right side
    25,476.93x = 303,740,736.38
  5. Step 5: Solve for x
    x = 303,740,736.38/25,476.93
  6. Step 6: Final answer
    x = 11,922.19

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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.