Home / 16,931.73-23,360.49-9,856.83

Finding the Fourth Proportional to 16,931.73, 23,360.49 and 9,856.83

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Solution

The fourth proportional to 16,931.73, 23,360.49 and 9,856.83 is: 13,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.73 : 23,360.49 = 9,856.83 : x
  2. Step 2: Convert to fraction form
    16,931.73/23,360.49 = 9,856.83/x
  3. Step 3: Cross multiply
    16,931.73x = 23,360.49 × 9,856.83
  4. Step 4: Simplify right side
    16,931.73x = 230,260,378.65
  5. Step 5: Solve for x
    x = 230,260,378.65/16,931.73
  6. Step 6: Final answer
    x = 13,599.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.