Home / 16,424.88-22,666.33-8,871.21

Finding the Fourth Proportional to 16,424.88, 22,666.33 and 8,871.21

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Solution

The fourth proportional to 16,424.88, 22,666.33 and 8,871.21 is: 12,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,424.88 : 22,666.33 = 8,871.21 : x
  2. Step 2: Convert to fraction form
    16,424.88/22,666.33 = 8,871.21/x
  3. Step 3: Cross multiply
    16,424.88x = 22,666.33 × 8,871.21
  4. Step 4: Simplify right side
    16,424.88x = 201,077,615.67
  5. Step 5: Solve for x
    x = 201,077,615.67/16,424.88
  6. Step 6: Final answer
    x = 12,242.26

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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.