Home / 16,140.18-22,289.97-11,117.46

Finding the Fourth Proportional to 16,140.18, 22,289.97 and 11,117.46

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Solution

The fourth proportional to 16,140.18, 22,289.97 and 11,117.46 is: 15,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.18 : 22,289.97 = 11,117.46 : x
  2. Step 2: Convert to fraction form
    16,140.18/22,289.97 = 11,117.46/x
  3. Step 3: Cross multiply
    16,140.18x = 22,289.97 × 11,117.46
  4. Step 4: Simplify right side
    16,140.18x = 247,807,849.88
  5. Step 5: Solve for x
    x = 247,807,849.88/16,140.18
  6. Step 6: Final answer
    x = 15,353.47

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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.