Home / 21,572.01-32,370.57-8,423.73

Finding the Fourth Proportional to 21,572.01, 32,370.57 and 8,423.73

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Solution

The fourth proportional to 21,572.01, 32,370.57 and 8,423.73 is: 12,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.01 : 32,370.57 = 8,423.73 : x
  2. Step 2: Convert to fraction form
    21,572.01/32,370.57 = 8,423.73/x
  3. Step 3: Cross multiply
    21,572.01x = 32,370.57 × 8,423.73
  4. Step 4: Simplify right side
    21,572.01x = 272,680,941.63
  5. Step 5: Solve for x
    x = 272,680,941.63/21,572.01
  6. Step 6: Final answer
    x = 12,640.50

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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.