Home / 22,727.04-31,354.24-16,772.80

Finding the Fourth Proportional to 22,727.04, 31,354.24 and 16,772.80

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Solution

The fourth proportional to 22,727.04, 31,354.24 and 16,772.80 is: 23,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,727.04 : 31,354.24 = 16,772.80 : x
  2. Step 2: Convert to fraction form
    22,727.04/31,354.24 = 16,772.80/x
  3. Step 3: Cross multiply
    22,727.04x = 31,354.24 × 16,772.80
  4. Step 4: Simplify right side
    22,727.04x = 525,898,396.67
  5. Step 5: Solve for x
    x = 525,898,396.67/22,727.04
  6. Step 6: Final answer
    x = 23,139.77

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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.