Home / 13,616.13-18,731.93-13,032.93

Finding the Fourth Proportional to 13,616.13, 18,731.93 and 13,032.93

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Solution

The fourth proportional to 13,616.13, 18,731.93 and 13,032.93 is: 17,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.13 : 18,731.93 = 13,032.93 : x
  2. Step 2: Convert to fraction form
    13,616.13/18,731.93 = 13,032.93/x
  3. Step 3: Cross multiply
    13,616.13x = 18,731.93 × 13,032.93
  4. Step 4: Simplify right side
    13,616.13x = 244,131,932.45
  5. Step 5: Solve for x
    x = 244,131,932.45/13,616.13
  6. Step 6: Final answer
    x = 17,929.61

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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.