Home / 16,898.15-25,344.56-5,653.40

Finding the Fourth Proportional to 16,898.15, 25,344.56 and 5,653.40

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Solution

The fourth proportional to 16,898.15, 25,344.56 and 5,653.40 is: 8,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898.15 : 25,344.56 = 5,653.40 : x
  2. Step 2: Convert to fraction form
    16,898.15/25,344.56 = 5,653.40/x
  3. Step 3: Cross multiply
    16,898.15x = 25,344.56 × 5,653.40
  4. Step 4: Simplify right side
    16,898.15x = 143,282,822.91
  5. Step 5: Solve for x
    x = 143,282,822.91/16,898.15
  6. Step 6: Final answer
    x = 8,479.20

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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.