Home / 15,987.09-22,072.46-10,324.38

Finding the Fourth Proportional to 15,987.09, 22,072.46 and 10,324.38

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Solution

The fourth proportional to 15,987.09, 22,072.46 and 10,324.38 is: 14,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.09 : 22,072.46 = 10,324.38 : x
  2. Step 2: Convert to fraction form
    15,987.09/22,072.46 = 10,324.38/x
  3. Step 3: Cross multiply
    15,987.09x = 22,072.46 × 10,324.38
  4. Step 4: Simplify right side
    15,987.09x = 227,884,412.95
  5. Step 5: Solve for x
    x = 227,884,412.95/15,987.09
  6. Step 6: Final answer
    x = 14,254.28

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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.