Home / 42,614.51-63,921.74-11,449.76

Finding the Fourth Proportional to 42,614.51, 63,921.74 and 11,449.76

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Solution

The fourth proportional to 42,614.51, 63,921.74 and 11,449.76 is: 17,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,614.51 : 63,921.74 = 11,449.76 : x
  2. Step 2: Convert to fraction form
    42,614.51/63,921.74 = 11,449.76/x
  3. Step 3: Cross multiply
    42,614.51x = 63,921.74 × 11,449.76
  4. Step 4: Simplify right side
    42,614.51x = 731,888,204.92
  5. Step 5: Solve for x
    x = 731,888,204.92/42,614.51
  6. Step 6: Final answer
    x = 17,174.63

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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.