Home / 16,767.66-23,135.31-9,315.66

Finding the Fourth Proportional to 16,767.66, 23,135.31 and 9,315.66

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Solution

The fourth proportional to 16,767.66, 23,135.31 and 9,315.66 is: 12,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.66 : 23,135.31 = 9,315.66 : x
  2. Step 2: Convert to fraction form
    16,767.66/23,135.31 = 9,315.66/x
  3. Step 3: Cross multiply
    16,767.66x = 23,135.31 × 9,315.66
  4. Step 4: Simplify right side
    16,767.66x = 215,520,681.95
  5. Step 5: Solve for x
    x = 215,520,681.95/16,767.66
  6. Step 6: Final answer
    x = 12,853.35

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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.