Home / 16,855.47-25,298.73-8,541.30

Finding the Fourth Proportional to 16,855.47, 25,298.73 and 8,541.30

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Solution

The fourth proportional to 16,855.47, 25,298.73 and 8,541.30 is: 12,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.47 : 25,298.73 = 8,541.30 : x
  2. Step 2: Convert to fraction form
    16,855.47/25,298.73 = 8,541.30/x
  3. Step 3: Cross multiply
    16,855.47x = 25,298.73 × 8,541.30
  4. Step 4: Simplify right side
    16,855.47x = 216,083,995.11
  5. Step 5: Solve for x
    x = 216,083,995.11/16,855.47
  6. Step 6: Final answer
    x = 12,819.82

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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.