Home / 25,270.13-37,890.60-11,230.13

Finding the Fourth Proportional to 25,270.13, 37,890.60 and 11,230.13

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Solution

The fourth proportional to 25,270.13, 37,890.60 and 11,230.13 is: 16,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270.13 : 37,890.60 = 11,230.13 : x
  2. Step 2: Convert to fraction form
    25,270.13/37,890.60 = 11,230.13/x
  3. Step 3: Cross multiply
    25,270.13x = 37,890.60 × 11,230.13
  4. Step 4: Simplify right side
    25,270.13x = 425,516,174.33
  5. Step 5: Solve for x
    x = 425,516,174.33/25,270.13
  6. Step 6: Final answer
    x = 16,838.70

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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.