Home / 19,051.20-28,414.80-16,108.20

Finding the Fourth Proportional to 19,051.20, 28,414.80 and 16,108.20

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Solution

The fourth proportional to 19,051.20, 28,414.80 and 16,108.20 is: 24,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.20 : 28,414.80 = 16,108.20 : x
  2. Step 2: Convert to fraction form
    19,051.20/28,414.80 = 16,108.20/x
  3. Step 3: Cross multiply
    19,051.20x = 28,414.80 × 16,108.20
  4. Step 4: Simplify right side
    19,051.20x = 457,711,281.36
  5. Step 5: Solve for x
    x = 457,711,281.36/19,051.20
  6. Step 6: Final answer
    x = 24,025.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.