Home / 15,610.47-21,542.46-10,031.19

Finding the Fourth Proportional to 15,610.47, 21,542.46 and 10,031.19

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Solution

The fourth proportional to 15,610.47, 21,542.46 and 10,031.19 is: 13,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.47 : 21,542.46 = 10,031.19 : x
  2. Step 2: Convert to fraction form
    15,610.47/21,542.46 = 10,031.19/x
  3. Step 3: Cross multiply
    15,610.47x = 21,542.46 × 10,031.19
  4. Step 4: Simplify right side
    15,610.47x = 216,096,509.33
  5. Step 5: Solve for x
    x = 216,096,509.33/15,610.47
  6. Step 6: Final answer
    x = 13,843.05

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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.