Home / 22,827.54-31,572-20,468.82

Finding the Fourth Proportional to 22,827.54, 31,572 and 20,468.82

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Solution

The fourth proportional to 22,827.54, 31,572 and 20,468.82 is: 28,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,827.54 : 31,572 = 20,468.82 : x
  2. Step 2: Convert to fraction form
    22,827.54/31,572 = 20,468.82/x
  3. Step 3: Cross multiply
    22,827.54x = 31,572 × 20,468.82
  4. Step 4: Simplify right side
    22,827.54x = 646,241,585.04
  5. Step 5: Solve for x
    x = 646,241,585.04/22,827.54
  6. Step 6: Final answer
    x = 28,309.73

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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.