Home / 29,400.98-40,574.13-16,829.78

Finding the Fourth Proportional to 29,400.98, 40,574.13 and 16,829.78

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Solution

The fourth proportional to 29,400.98, 40,574.13 and 16,829.78 is: 23,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.98 : 40,574.13 = 16,829.78 : x
  2. Step 2: Convert to fraction form
    29,400.98/40,574.13 = 16,829.78/x
  3. Step 3: Cross multiply
    29,400.98x = 40,574.13 × 16,829.78
  4. Step 4: Simplify right side
    29,400.98x = 682,853,681.59
  5. Step 5: Solve for x
    x = 682,853,681.59/29,400.98
  6. Step 6: Final answer
    x = 23,225.54

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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.