Home / 15,192.19-20,966.67-9,222.49

Finding the Fourth Proportional to 15,192.19, 20,966.67 and 9,222.49

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Solution

The fourth proportional to 15,192.19, 20,966.67 and 9,222.49 is: 12,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.19 : 20,966.67 = 9,222.49 : x
  2. Step 2: Convert to fraction form
    15,192.19/20,966.67 = 9,222.49/x
  3. Step 3: Cross multiply
    15,192.19x = 20,966.67 × 9,222.49
  4. Step 4: Simplify right side
    15,192.19x = 193,364,904.41
  5. Step 5: Solve for x
    x = 193,364,904.41/15,192.19
  6. Step 6: Final answer
    x = 12,727.92

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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.