Home / 14,088.28-19,441.50-8,119.57

Finding the Fourth Proportional to 14,088.28, 19,441.50 and 8,119.57

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Solution

The fourth proportional to 14,088.28, 19,441.50 and 8,119.57 is: 11,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.28 : 19,441.50 = 8,119.57 : x
  2. Step 2: Convert to fraction form
    14,088.28/19,441.50 = 8,119.57/x
  3. Step 3: Cross multiply
    14,088.28x = 19,441.50 × 8,119.57
  4. Step 4: Simplify right side
    14,088.28x = 157,856,620.16
  5. Step 5: Solve for x
    x = 157,856,620.16/14,088.28
  6. Step 6: Final answer
    x = 11,204.82

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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.