Home / 15,241.11-21,031.31-9,498.03

Finding the Fourth Proportional to 15,241.11, 21,031.31 and 9,498.03

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Solution

The fourth proportional to 15,241.11, 21,031.31 and 9,498.03 is: 13,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.11 : 21,031.31 = 9,498.03 : x
  2. Step 2: Convert to fraction form
    15,241.11/21,031.31 = 9,498.03/x
  3. Step 3: Cross multiply
    15,241.11x = 21,031.31 × 9,498.03
  4. Step 4: Simplify right side
    15,241.11x = 199,756,095.58
  5. Step 5: Solve for x
    x = 199,756,095.58/15,241.11
  6. Step 6: Final answer
    x = 13,106.40

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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.