Home / 22,040.13-30,403.43-13,959.16

Finding the Fourth Proportional to 22,040.13, 30,403.43 and 13,959.16

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Solution

The fourth proportional to 22,040.13, 30,403.43 and 13,959.16 is: 19,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.13 : 30,403.43 = 13,959.16 : x
  2. Step 2: Convert to fraction form
    22,040.13/30,403.43 = 13,959.16/x
  3. Step 3: Cross multiply
    22,040.13x = 30,403.43 × 13,959.16
  4. Step 4: Simplify right side
    22,040.13x = 424,406,343.92
  5. Step 5: Solve for x
    x = 424,406,343.92/22,040.13
  6. Step 6: Final answer
    x = 19,256.07

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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.