Home / 16,220.79-24,330.51-8,871.80

Finding the Fourth Proportional to 16,220.79, 24,330.51 and 8,871.80

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Solution

The fourth proportional to 16,220.79, 24,330.51 and 8,871.80 is: 13,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.79 : 24,330.51 = 8,871.80 : x
  2. Step 2: Convert to fraction form
    16,220.79/24,330.51 = 8,871.80/x
  3. Step 3: Cross multiply
    16,220.79x = 24,330.51 × 8,871.80
  4. Step 4: Simplify right side
    16,220.79x = 215,855,296.97
  5. Step 5: Solve for x
    x = 215,855,296.97/16,220.79
  6. Step 6: Final answer
    x = 13,307.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.