Home / 16,912.51-23,340.99-9,742.66

Finding the Fourth Proportional to 16,912.51, 23,340.99 and 9,742.66

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Solution

The fourth proportional to 16,912.51, 23,340.99 and 9,742.66 is: 13,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.51 : 23,340.99 = 9,742.66 : x
  2. Step 2: Convert to fraction form
    16,912.51/23,340.99 = 9,742.66/x
  3. Step 3: Cross multiply
    16,912.51x = 23,340.99 × 9,742.66
  4. Step 4: Simplify right side
    16,912.51x = 227,403,329.63
  5. Step 5: Solve for x
    x = 227,403,329.63/16,912.51
  6. Step 6: Final answer
    x = 13,445.87

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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.