Home / 19,250.90-28,876.35-5,398.10

Finding the Fourth Proportional to 19,250.90, 28,876.35 and 5,398.10

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Solution

The fourth proportional to 19,250.90, 28,876.35 and 5,398.10 is: 8,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.90 : 28,876.35 = 5,398.10 : x
  2. Step 2: Convert to fraction form
    19,250.90/28,876.35 = 5,398.10/x
  3. Step 3: Cross multiply
    19,250.90x = 28,876.35 × 5,398.10
  4. Step 4: Simplify right side
    19,250.90x = 155,877,424.94
  5. Step 5: Solve for x
    x = 155,877,424.94/19,250.90
  6. Step 6: Final answer
    x = 8,097.15

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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.