Home / 25,430.54-38,148.26-7,895.66

Finding the Fourth Proportional to 25,430.54, 38,148.26 and 7,895.66

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Solution

The fourth proportional to 25,430.54, 38,148.26 and 7,895.66 is: 11,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,430.54 : 38,148.26 = 7,895.66 : x
  2. Step 2: Convert to fraction form
    25,430.54/38,148.26 = 7,895.66/x
  3. Step 3: Cross multiply
    25,430.54x = 38,148.26 × 7,895.66
  4. Step 4: Simplify right side
    25,430.54x = 301,205,460.33
  5. Step 5: Solve for x
    x = 301,205,460.33/25,430.54
  6. Step 6: Final answer
    x = 11,844.24

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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.