Home / 16,100.73-22,220.31-8,931.36

Finding the Fourth Proportional to 16,100.73, 22,220.31 and 8,931.36

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Solution

The fourth proportional to 16,100.73, 22,220.31 and 8,931.36 is: 12,326.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,100.73 : 22,220.31 = 8,931.36 : x
  2. Step 2: Convert to fraction form
    16,100.73/22,220.31 = 8,931.36/x
  3. Step 3: Cross multiply
    16,100.73x = 22,220.31 × 8,931.36
  4. Step 4: Simplify right side
    16,100.73x = 198,457,587.92
  5. Step 5: Solve for x
    x = 198,457,587.92/16,100.73
  6. Step 6: Final answer
    x = 12,326.00

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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.