Home / 22,727.75-31,362.05-12,655.80

Finding the Fourth Proportional to 22,727.75, 31,362.05 and 12,655.80

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Solution

The fourth proportional to 22,727.75, 31,362.05 and 12,655.80 is: 17,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.75 : 31,362.05 = 12,655.80 : x
  2. Step 2: Convert to fraction form
    22,727.75/31,362.05 = 12,655.80/x
  3. Step 3: Cross multiply
    22,727.75x = 31,362.05 × 12,655.80
  4. Step 4: Simplify right side
    22,727.75x = 396,911,864.03
  5. Step 5: Solve for x
    x = 396,911,864.03/22,727.75
  6. Step 6: Final answer
    x = 17,463.76

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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.