Home / 16,143.26-22,277.90-9,769.77

Finding the Fourth Proportional to 16,143.26, 22,277.90 and 9,769.77

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Solution

The fourth proportional to 16,143.26, 22,277.90 and 9,769.77 is: 13,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.26 : 22,277.90 = 9,769.77 : x
  2. Step 2: Convert to fraction form
    16,143.26/22,277.90 = 9,769.77/x
  3. Step 3: Cross multiply
    16,143.26x = 22,277.90 × 9,769.77
  4. Step 4: Simplify right side
    16,143.26x = 217,649,983.51
  5. Step 5: Solve for x
    x = 217,649,983.51/16,143.26
  6. Step 6: Final answer
    x = 13,482.41

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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.