Home / 18,763.02-28,176.76-16,659.38

Finding the Fourth Proportional to 18,763.02, 28,176.76 and 16,659.38

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Solution

The fourth proportional to 18,763.02, 28,176.76 and 16,659.38 is: 25,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.02 : 28,176.76 = 16,659.38 : x
  2. Step 2: Convert to fraction form
    18,763.02/28,176.76 = 16,659.38/x
  3. Step 3: Cross multiply
    18,763.02x = 28,176.76 × 16,659.38
  4. Step 4: Simplify right side
    18,763.02x = 469,407,443.27
  5. Step 5: Solve for x
    x = 469,407,443.27/18,763.02
  6. Step 6: Final answer
    x = 25,017.69

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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.