Home / 21,724.38-32,530.74-15,051.39

Finding the Fourth Proportional to 21,724.38, 32,530.74 and 15,051.39

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Solution

The fourth proportional to 21,724.38, 32,530.74 and 15,051.39 is: 22,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.38 : 32,530.74 = 15,051.39 : x
  2. Step 2: Convert to fraction form
    21,724.38/32,530.74 = 15,051.39/x
  3. Step 3: Cross multiply
    21,724.38x = 32,530.74 × 15,051.39
  4. Step 4: Simplify right side
    21,724.38x = 489,632,854.73
  5. Step 5: Solve for x
    x = 489,632,854.73/21,724.38
  6. Step 6: Final answer
    x = 22,538.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.