Home / 16,289.17-22,480.14-9,119.77

Finding the Fourth Proportional to 16,289.17, 22,480.14 and 9,119.77

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Solution

The fourth proportional to 16,289.17, 22,480.14 and 9,119.77 is: 12,585.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.17 : 22,480.14 = 9,119.77 : x
  2. Step 2: Convert to fraction form
    16,289.17/22,480.14 = 9,119.77/x
  3. Step 3: Cross multiply
    16,289.17x = 22,480.14 × 9,119.77
  4. Step 4: Simplify right side
    16,289.17x = 205,013,706.37
  5. Step 5: Solve for x
    x = 205,013,706.37/16,289.17
  6. Step 6: Final answer
    x = 12,585.89

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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.