Home / 19,332.60-28,934.10-16,999.80

Finding the Fourth Proportional to 19,332.60, 28,934.10 and 16,999.80

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Solution

The fourth proportional to 19,332.60, 28,934.10 and 16,999.80 is: 25,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.60 : 28,934.10 = 16,999.80 : x
  2. Step 2: Convert to fraction form
    19,332.60/28,934.10 = 16,999.80/x
  3. Step 3: Cross multiply
    19,332.60x = 28,934.10 × 16,999.80
  4. Step 4: Simplify right side
    19,332.60x = 491,873,913.18
  5. Step 5: Solve for x
    x = 491,873,913.18/19,332.60
  6. Step 6: Final answer
    x = 25,442.72

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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.