Home / 23,280.56-32,143.24-21,793.40

Finding the Fourth Proportional to 23,280.56, 32,143.24 and 21,793.40

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Solution

The fourth proportional to 23,280.56, 32,143.24 and 21,793.40 is: 30,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.56 : 32,143.24 = 21,793.40 : x
  2. Step 2: Convert to fraction form
    23,280.56/32,143.24 = 21,793.40/x
  3. Step 3: Cross multiply
    23,280.56x = 32,143.24 × 21,793.40
  4. Step 4: Simplify right side
    23,280.56x = 700,510,486.62
  5. Step 5: Solve for x
    x = 700,510,486.62/23,280.56
  6. Step 6: Final answer
    x = 30,089.93

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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.