Home / 19,543.68-29,274.35-15,363.81

Finding the Fourth Proportional to 19,543.68, 29,274.35 and 15,363.81

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Solution

The fourth proportional to 19,543.68, 29,274.35 and 15,363.81 is: 23,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.68 : 29,274.35 = 15,363.81 : x
  2. Step 2: Convert to fraction form
    19,543.68/29,274.35 = 15,363.81/x
  3. Step 3: Cross multiply
    19,543.68x = 29,274.35 × 15,363.81
  4. Step 4: Simplify right side
    19,543.68x = 449,765,474.45
  5. Step 5: Solve for x
    x = 449,765,474.45/19,543.68
  6. Step 6: Final answer
    x = 23,013.35

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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.