Home / 19,818.68-29,713.91-9,283.01

Finding the Fourth Proportional to 19,818.68, 29,713.91 and 9,283.01

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Solution

The fourth proportional to 19,818.68, 29,713.91 and 9,283.01 is: 13,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.68 : 29,713.91 = 9,283.01 : x
  2. Step 2: Convert to fraction form
    19,818.68/29,713.91 = 9,283.01/x
  3. Step 3: Cross multiply
    19,818.68x = 29,713.91 × 9,283.01
  4. Step 4: Simplify right side
    19,818.68x = 275,834,328.68
  5. Step 5: Solve for x
    x = 275,834,328.68/19,818.68
  6. Step 6: Final answer
    x = 13,917.90

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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.