Home / 25,454.31-38,181.47-7,925.91

Finding the Fourth Proportional to 25,454.31, 38,181.47 and 7,925.91

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Solution

The fourth proportional to 25,454.31, 38,181.47 and 7,925.91 is: 11,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.31 : 38,181.47 = 7,925.91 : x
  2. Step 2: Convert to fraction form
    25,454.31/38,181.47 = 7,925.91/x
  3. Step 3: Cross multiply
    25,454.31x = 38,181.47 × 7,925.91
  4. Step 4: Simplify right side
    25,454.31x = 302,622,855.26
  5. Step 5: Solve for x
    x = 302,622,855.26/25,454.31
  6. Step 6: Final answer
    x = 11,888.87

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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.