Home / 22,829.92-31,502.96-12,758.80

Finding the Fourth Proportional to 22,829.92, 31,502.96 and 12,758.80

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Solution

The fourth proportional to 22,829.92, 31,502.96 and 12,758.80 is: 17,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,829.92 : 31,502.96 = 12,758.80 : x
  2. Step 2: Convert to fraction form
    22,829.92/31,502.96 = 12,758.80/x
  3. Step 3: Cross multiply
    22,829.92x = 31,502.96 × 12,758.80
  4. Step 4: Simplify right side
    22,829.92x = 401,939,966.05
  5. Step 5: Solve for x
    x = 401,939,966.05/22,829.92
  6. Step 6: Final answer
    x = 17,605.84

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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.