Home / 16,768.25-23,140.19-9,316.25

Finding the Fourth Proportional to 16,768.25, 23,140.19 and 9,316.25

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Solution

The fourth proportional to 16,768.25, 23,140.19 and 9,316.25 is: 12,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.25 : 23,140.19 = 9,316.25 : x
  2. Step 2: Convert to fraction form
    16,768.25/23,140.19 = 9,316.25/x
  3. Step 3: Cross multiply
    16,768.25x = 23,140.19 × 9,316.25
  4. Step 4: Simplify right side
    16,768.25x = 215,579,748.51
  5. Step 5: Solve for x
    x = 215,579,748.51/16,768.25
  6. Step 6: Final answer
    x = 12,856.43

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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.