Home / 16,210.68-22,369.14-9,138.36

Finding the Fourth Proportional to 16,210.68, 22,369.14 and 9,138.36

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Solution

The fourth proportional to 16,210.68, 22,369.14 and 9,138.36 is: 12,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.68 : 22,369.14 = 9,138.36 : x
  2. Step 2: Convert to fraction form
    16,210.68/22,369.14 = 9,138.36/x
  3. Step 3: Cross multiply
    16,210.68x = 22,369.14 × 9,138.36
  4. Step 4: Simplify right side
    16,210.68x = 204,417,254.21
  5. Step 5: Solve for x
    x = 204,417,254.21/16,210.68
  6. Step 6: Final answer
    x = 12,610.04

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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.