Home / 19,944.86-27,523.76-10,870.20

Finding the Fourth Proportional to 19,944.86, 27,523.76 and 10,870.20

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Solution

The fourth proportional to 19,944.86, 27,523.76 and 10,870.20 is: 15,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.86 : 27,523.76 = 10,870.20 : x
  2. Step 2: Convert to fraction form
    19,944.86/27,523.76 = 10,870.20/x
  3. Step 3: Cross multiply
    19,944.86x = 27,523.76 × 10,870.20
  4. Step 4: Simplify right side
    19,944.86x = 299,188,721.60
  5. Step 5: Solve for x
    x = 299,188,721.60/19,944.86
  6. Step 6: Final answer
    x = 15,000.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.