Home / 29,301.51-40,398.03-18,672.69

Finding the Fourth Proportional to 29,301.51, 40,398.03 and 18,672.69

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Solution

The fourth proportional to 29,301.51, 40,398.03 and 18,672.69 is: 25,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.51 : 40,398.03 = 18,672.69 : x
  2. Step 2: Convert to fraction form
    29,301.51/40,398.03 = 18,672.69/x
  3. Step 3: Cross multiply
    29,301.51x = 40,398.03 × 18,672.69
  4. Step 4: Simplify right side
    29,301.51x = 754,339,890.80
  5. Step 5: Solve for x
    x = 754,339,890.80/29,301.51
  6. Step 6: Final answer
    x = 25,744.06

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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.