Home / 23,821.68-32,842.72-20,500.16

Finding the Fourth Proportional to 23,821.68, 32,842.72 and 20,500.16

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Solution

The fourth proportional to 23,821.68, 32,842.72 and 20,500.16 is: 28,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,821.68 : 32,842.72 = 20,500.16 : x
  2. Step 2: Convert to fraction form
    23,821.68/32,842.72 = 20,500.16/x
  3. Step 3: Cross multiply
    23,821.68x = 32,842.72 × 20,500.16
  4. Step 4: Simplify right side
    23,821.68x = 673,281,014.84
  5. Step 5: Solve for x
    x = 673,281,014.84/23,821.68
  6. Step 6: Final answer
    x = 28,263.37

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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.