Home / 25,600.04-38,363.60-9,999.44

Finding the Fourth Proportional to 25,600.04, 38,363.60 and 9,999.44

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Solution

The fourth proportional to 25,600.04, 38,363.60 and 9,999.44 is: 14,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.04 : 38,363.60 = 9,999.44 : x
  2. Step 2: Convert to fraction form
    25,600.04/38,363.60 = 9,999.44/x
  3. Step 3: Cross multiply
    25,600.04x = 38,363.60 × 9,999.44
  4. Step 4: Simplify right side
    25,600.04x = 383,614,516.38
  5. Step 5: Solve for x
    x = 383,614,516.38/25,600.04
  6. Step 6: Final answer
    x = 14,984.92

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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.