Home / 15,022.09-20,732.28-8,734.46

Finding the Fourth Proportional to 15,022.09, 20,732.28 and 8,734.46

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Solution

The fourth proportional to 15,022.09, 20,732.28 and 8,734.46 is: 12,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.09 : 20,732.28 = 8,734.46 : x
  2. Step 2: Convert to fraction form
    15,022.09/20,732.28 = 8,734.46/x
  3. Step 3: Cross multiply
    15,022.09x = 20,732.28 × 8,734.46
  4. Step 4: Simplify right side
    15,022.09x = 181,085,270.37
  5. Step 5: Solve for x
    x = 181,085,270.37/15,022.09
  6. Step 6: Final answer
    x = 12,054.60

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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.