Home / 16,107.12-22,209.84-10,131.48

Finding the Fourth Proportional to 16,107.12, 22,209.84 and 10,131.48

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Solution

The fourth proportional to 16,107.12, 22,209.84 and 10,131.48 is: 13,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.12 : 22,209.84 = 10,131.48 : x
  2. Step 2: Convert to fraction form
    16,107.12/22,209.84 = 10,131.48/x
  3. Step 3: Cross multiply
    16,107.12x = 22,209.84 × 10,131.48
  4. Step 4: Simplify right side
    16,107.12x = 225,018,549.76
  5. Step 5: Solve for x
    x = 225,018,549.76/16,107.12
  6. Step 6: Final answer
    x = 13,970.13

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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.