Home / 22,339.81-30,808.38-15,180.46

Finding the Fourth Proportional to 22,339.81, 30,808.38 and 15,180.46

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Solution

The fourth proportional to 22,339.81, 30,808.38 and 15,180.46 is: 20,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.81 : 30,808.38 = 15,180.46 : x
  2. Step 2: Convert to fraction form
    22,339.81/30,808.38 = 15,180.46/x
  3. Step 3: Cross multiply
    22,339.81x = 30,808.38 × 15,180.46
  4. Step 4: Simplify right side
    22,339.81x = 467,685,405.37
  5. Step 5: Solve for x
    x = 467,685,405.37/22,339.81
  6. Step 6: Final answer
    x = 20,935.06

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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.