Home / 13,256.16-18,305.46-9,893.13

Finding the Fourth Proportional to 13,256.16, 18,305.46 and 9,893.13

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Solution

The fourth proportional to 13,256.16, 18,305.46 and 9,893.13 is: 13,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.16 : 18,305.46 = 9,893.13 : x
  2. Step 2: Convert to fraction form
    13,256.16/18,305.46 = 9,893.13/x
  3. Step 3: Cross multiply
    13,256.16x = 18,305.46 × 9,893.13
  4. Step 4: Simplify right side
    13,256.16x = 181,098,295.49
  5. Step 5: Solve for x
    x = 181,098,295.49/13,256.16
  6. Step 6: Final answer
    x = 13,661.44

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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.