Home / 25,820.52-38,742.24-11,038.80

Finding the Fourth Proportional to 25,820.52, 38,742.24 and 11,038.80

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Solution

The fourth proportional to 25,820.52, 38,742.24 and 11,038.80 is: 16,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.52 : 38,742.24 = 11,038.80 : x
  2. Step 2: Convert to fraction form
    25,820.52/38,742.24 = 11,038.80/x
  3. Step 3: Cross multiply
    25,820.52x = 38,742.24 × 11,038.80
  4. Step 4: Simplify right side
    25,820.52x = 427,667,838.91
  5. Step 5: Solve for x
    x = 427,667,838.91/25,820.52
  6. Step 6: Final answer
    x = 16,563.10

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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.