Home / 25,614.28-38,426.06-12,466.64

Finding the Fourth Proportional to 25,614.28, 38,426.06 and 12,466.64

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Solution

The fourth proportional to 25,614.28, 38,426.06 and 12,466.64 is: 18,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614.28 : 38,426.06 = 12,466.64 : x
  2. Step 2: Convert to fraction form
    25,614.28/38,426.06 = 12,466.64/x
  3. Step 3: Cross multiply
    25,614.28x = 38,426.06 × 12,466.64
  4. Step 4: Simplify right side
    25,614.28x = 479,043,856.64
  5. Step 5: Solve for x
    x = 479,043,856.64/25,614.28
  6. Step 6: Final answer
    x = 18,702.22

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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.