Home / 23,175.99-31,982.56-12,565.40

Finding the Fourth Proportional to 23,175.99, 31,982.56 and 12,565.40

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Solution

The fourth proportional to 23,175.99, 31,982.56 and 12,565.40 is: 17,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.99 : 31,982.56 = 12,565.40 : x
  2. Step 2: Convert to fraction form
    23,175.99/31,982.56 = 12,565.40/x
  3. Step 3: Cross multiply
    23,175.99x = 31,982.56 × 12,565.40
  4. Step 4: Simplify right side
    23,175.99x = 401,873,468.10
  5. Step 5: Solve for x
    x = 401,873,468.10/23,175.99
  6. Step 6: Final answer
    x = 17,340.08

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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.