Home / 25,888.10-38,832.19-7,876.48

Finding the Fourth Proportional to 25,888.10, 38,832.19 and 7,876.48

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Solution

The fourth proportional to 25,888.10, 38,832.19 and 7,876.48 is: 11,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.10 : 38,832.19 = 7,876.48 : x
  2. Step 2: Convert to fraction form
    25,888.10/38,832.19 = 7,876.48/x
  3. Step 3: Cross multiply
    25,888.10x = 38,832.19 × 7,876.48
  4. Step 4: Simplify right side
    25,888.10x = 305,860,967.89
  5. Step 5: Solve for x
    x = 305,860,967.89/25,888.10
  6. Step 6: Final answer
    x = 11,814.73

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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.