Home / 19,312.20-28,918.35-16,184.70

Finding the Fourth Proportional to 19,312.20, 28,918.35 and 16,184.70

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Solution

The fourth proportional to 19,312.20, 28,918.35 and 16,184.70 is: 24,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.20 : 28,918.35 = 16,184.70 : x
  2. Step 2: Convert to fraction form
    19,312.20/28,918.35 = 16,184.70/x
  3. Step 3: Cross multiply
    19,312.20x = 28,918.35 × 16,184.70
  4. Step 4: Simplify right side
    19,312.20x = 468,034,819.25
  5. Step 5: Solve for x
    x = 468,034,819.25/19,312.20
  6. Step 6: Final answer
    x = 24,235.19

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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.