Home / 20,176.02-27,826.33-17,909.02

Finding the Fourth Proportional to 20,176.02, 27,826.33 and 17,909.02

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Solution

The fourth proportional to 20,176.02, 27,826.33 and 17,909.02 is: 24,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.02 : 27,826.33 = 17,909.02 : x
  2. Step 2: Convert to fraction form
    20,176.02/27,826.33 = 17,909.02/x
  3. Step 3: Cross multiply
    20,176.02x = 27,826.33 × 17,909.02
  4. Step 4: Simplify right side
    20,176.02x = 498,342,117.19
  5. Step 5: Solve for x
    x = 498,342,117.19/20,176.02
  6. Step 6: Final answer
    x = 24,699.72

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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.