Home / 22,223.28-30,668.16-12,151.77

Finding the Fourth Proportional to 22,223.28, 30,668.16 and 12,151.77

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Solution

The fourth proportional to 22,223.28, 30,668.16 and 12,151.77 is: 16,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.28 : 30,668.16 = 12,151.77 : x
  2. Step 2: Convert to fraction form
    22,223.28/30,668.16 = 12,151.77/x
  3. Step 3: Cross multiply
    22,223.28x = 30,668.16 × 12,151.77
  4. Step 4: Simplify right side
    22,223.28x = 372,672,426.64
  5. Step 5: Solve for x
    x = 372,672,426.64/22,223.28
  6. Step 6: Final answer
    x = 16,769.46

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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.