Home / 25,587.32-38,325.43-12,412

Finding the Fourth Proportional to 25,587.32, 38,325.43 and 12,412

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Solution

The fourth proportional to 25,587.32, 38,325.43 and 12,412 is: 18,591.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.32 : 38,325.43 = 12,412 : x
  2. Step 2: Convert to fraction form
    25,587.32/38,325.43 = 12,412/x
  3. Step 3: Cross multiply
    25,587.32x = 38,325.43 × 12,412
  4. Step 4: Simplify right side
    25,587.32x = 475,695,237.16
  5. Step 5: Solve for x
    x = 475,695,237.16/25,587.32
  6. Step 6: Final answer
    x = 18,591.05

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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.