Home / 22,182.47-30,575.34-15,724.27

Finding the Fourth Proportional to 22,182.47, 30,575.34 and 15,724.27

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Solution

The fourth proportional to 22,182.47, 30,575.34 and 15,724.27 is: 21,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.47 : 30,575.34 = 15,724.27 : x
  2. Step 2: Convert to fraction form
    22,182.47/30,575.34 = 15,724.27/x
  3. Step 3: Cross multiply
    22,182.47x = 30,575.34 × 15,724.27
  4. Step 4: Simplify right side
    22,182.47x = 480,774,901.50
  5. Step 5: Solve for x
    x = 480,774,901.50/22,182.47
  6. Step 6: Final answer
    x = 21,673.64

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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.