Home / 22,600.62-31,185.96-12,528.96

Finding the Fourth Proportional to 22,600.62, 31,185.96 and 12,528.96

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Solution

The fourth proportional to 22,600.62, 31,185.96 and 12,528.96 is: 17,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.62 : 31,185.96 = 12,528.96 : x
  2. Step 2: Convert to fraction form
    22,600.62/31,185.96 = 12,528.96/x
  3. Step 3: Cross multiply
    22,600.62x = 31,185.96 × 12,528.96
  4. Step 4: Simplify right side
    22,600.62x = 390,727,727.37
  5. Step 5: Solve for x
    x = 390,727,727.37/22,600.62
  6. Step 6: Final answer
    x = 17,288.36

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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.