Home / 25,618.76-38,429.31-7,848.14

Finding the Fourth Proportional to 25,618.76, 38,429.31 and 7,848.14

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Solution

The fourth proportional to 25,618.76, 38,429.31 and 7,848.14 is: 11,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.76 : 38,429.31 = 7,848.14 : x
  2. Step 2: Convert to fraction form
    25,618.76/38,429.31 = 7,848.14/x
  3. Step 3: Cross multiply
    25,618.76x = 38,429.31 × 7,848.14
  4. Step 4: Simplify right side
    25,618.76x = 301,598,636.36
  5. Step 5: Solve for x
    x = 301,598,636.36/25,618.76
  6. Step 6: Final answer
    x = 11,772.57

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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.