Home / 16,898.02-25,338.40-9,891.72

Finding the Fourth Proportional to 16,898.02, 25,338.40 and 9,891.72

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Solution

The fourth proportional to 16,898.02, 25,338.40 and 9,891.72 is: 14,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.02 : 25,338.40 = 9,891.72 : x
  2. Step 2: Convert to fraction form
    16,898.02/25,338.40 = 9,891.72/x
  3. Step 3: Cross multiply
    16,898.02x = 25,338.40 × 9,891.72
  4. Step 4: Simplify right side
    16,898.02x = 250,640,358.05
  5. Step 5: Solve for x
    x = 250,640,358.05/16,898.02
  6. Step 6: Final answer
    x = 14,832.53

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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.