Home / 22,836.32-31,514.34-13,405.04

Finding the Fourth Proportional to 22,836.32, 31,514.34 and 13,405.04

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Solution

The fourth proportional to 22,836.32, 31,514.34 and 13,405.04 is: 18,499.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.32 : 31,514.34 = 13,405.04 : x
  2. Step 2: Convert to fraction form
    22,836.32/31,514.34 = 13,405.04/x
  3. Step 3: Cross multiply
    22,836.32x = 31,514.34 × 13,405.04
  4. Step 4: Simplify right side
    22,836.32x = 422,450,988.27
  5. Step 5: Solve for x
    x = 422,450,988.27/22,836.32
  6. Step 6: Final answer
    x = 18,499.08

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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.