Home / 15,878.04-23,819.49-4,192.17

Finding the Fourth Proportional to 15,878.04, 23,819.49 and 4,192.17

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Solution

The fourth proportional to 15,878.04, 23,819.49 and 4,192.17 is: 6,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.04 : 23,819.49 = 4,192.17 : x
  2. Step 2: Convert to fraction form
    15,878.04/23,819.49 = 4,192.17/x
  3. Step 3: Cross multiply
    15,878.04x = 23,819.49 × 4,192.17
  4. Step 4: Simplify right side
    15,878.04x = 99,855,351.39
  5. Step 5: Solve for x
    x = 99,855,351.39/15,878.04
  6. Step 6: Final answer
    x = 6,288.90

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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.