Home / 19,713.51-29,570.90-8,614.53

Finding the Fourth Proportional to 19,713.51, 29,570.90 and 8,614.53

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Solution

The fourth proportional to 19,713.51, 29,570.90 and 8,614.53 is: 12,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.51 : 29,570.90 = 8,614.53 : x
  2. Step 2: Convert to fraction form
    19,713.51/29,570.90 = 8,614.53/x
  3. Step 3: Cross multiply
    19,713.51x = 29,570.90 × 8,614.53
  4. Step 4: Simplify right side
    19,713.51x = 254,739,405.18
  5. Step 5: Solve for x
    x = 254,739,405.18/19,713.51
  6. Step 6: Final answer
    x = 12,922.07

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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.