Home / 22,182.24-30,569.40-15,883.68

Finding the Fourth Proportional to 22,182.24, 30,569.40 and 15,883.68

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Solution

The fourth proportional to 22,182.24, 30,569.40 and 15,883.68 is: 21,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.24 : 30,569.40 = 15,883.68 : x
  2. Step 2: Convert to fraction form
    22,182.24/30,569.40 = 15,883.68/x
  3. Step 3: Cross multiply
    22,182.24x = 30,569.40 × 15,883.68
  4. Step 4: Simplify right side
    22,182.24x = 485,554,567.39
  5. Step 5: Solve for x
    x = 485,554,567.39/22,182.24
  6. Step 6: Final answer
    x = 21,889.34

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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.