Home / 21,763.20-32,669.10-16,854.60

Finding the Fourth Proportional to 21,763.20, 32,669.10 and 16,854.60

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Solution

The fourth proportional to 21,763.20, 32,669.10 and 16,854.60 is: 25,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.20 : 32,669.10 = 16,854.60 : x
  2. Step 2: Convert to fraction form
    21,763.20/32,669.10 = 16,854.60/x
  3. Step 3: Cross multiply
    21,763.20x = 32,669.10 × 16,854.60
  4. Step 4: Simplify right side
    21,763.20x = 550,624,612.86
  5. Step 5: Solve for x
    x = 550,624,612.86/21,763.20
  6. Step 6: Final answer
    x = 25,300.72

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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.