Home / 16,813.11-23,201.90-9,259.28

Finding the Fourth Proportional to 16,813.11, 23,201.90 and 9,259.28

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Solution

The fourth proportional to 16,813.11, 23,201.90 and 9,259.28 is: 12,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.11 : 23,201.90 = 9,259.28 : x
  2. Step 2: Convert to fraction form
    16,813.11/23,201.90 = 9,259.28/x
  3. Step 3: Cross multiply
    16,813.11x = 23,201.90 × 9,259.28
  4. Step 4: Simplify right side
    16,813.11x = 214,832,888.63
  5. Step 5: Solve for x
    x = 214,832,888.63/16,813.11
  6. Step 6: Final answer
    x = 12,777.70

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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.