Home / 17,155.92-23,675.12-10,086.40

Finding the Fourth Proportional to 17,155.92, 23,675.12 and 10,086.40

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Solution

The fourth proportional to 17,155.92, 23,675.12 and 10,086.40 is: 13,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,155.92 : 23,675.12 = 10,086.40 : x
  2. Step 2: Convert to fraction form
    17,155.92/23,675.12 = 10,086.40/x
  3. Step 3: Cross multiply
    17,155.92x = 23,675.12 × 10,086.40
  4. Step 4: Simplify right side
    17,155.92x = 238,796,730.37
  5. Step 5: Solve for x
    x = 238,796,730.37/17,155.92
  6. Step 6: Final answer
    x = 13,919.20

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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.