Home / 16,783.02-23,161.15-9,229.66

Finding the Fourth Proportional to 16,783.02, 23,161.15 and 9,229.66

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Solution

The fourth proportional to 16,783.02, 23,161.15 and 9,229.66 is: 12,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.02 : 23,161.15 = 9,229.66 : x
  2. Step 2: Convert to fraction form
    16,783.02/23,161.15 = 9,229.66/x
  3. Step 3: Cross multiply
    16,783.02x = 23,161.15 × 9,229.66
  4. Step 4: Simplify right side
    16,783.02x = 213,769,539.71
  5. Step 5: Solve for x
    x = 213,769,539.71/16,783.02
  6. Step 6: Final answer
    x = 12,737.25

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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.