Home / 16,889.52-25,345.16-9,103.76

Finding the Fourth Proportional to 16,889.52, 25,345.16 and 9,103.76

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Solution

The fourth proportional to 16,889.52, 25,345.16 and 9,103.76 is: 13,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.52 : 25,345.16 = 9,103.76 : x
  2. Step 2: Convert to fraction form
    16,889.52/25,345.16 = 9,103.76/x
  3. Step 3: Cross multiply
    16,889.52x = 25,345.16 × 9,103.76
  4. Step 4: Simplify right side
    16,889.52x = 230,736,253.80
  5. Step 5: Solve for x
    x = 230,736,253.80/16,889.52
  6. Step 6: Final answer
    x = 13,661.50

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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.