Home / 25,398.54-38,099.64-8,758.34

Finding the Fourth Proportional to 25,398.54, 38,099.64 and 8,758.34

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Solution

The fourth proportional to 25,398.54, 38,099.64 and 8,758.34 is: 13,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,398.54 : 38,099.64 = 8,758.34 : x
  2. Step 2: Convert to fraction form
    25,398.54/38,099.64 = 8,758.34/x
  3. Step 3: Cross multiply
    25,398.54x = 38,099.64 × 8,758.34
  4. Step 4: Simplify right side
    25,398.54x = 333,689,462.64
  5. Step 5: Solve for x
    x = 333,689,462.64/25,398.54
  6. Step 6: Final answer
    x = 13,138.13

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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.