Home / 16,106.07-22,215.13-15,564.18

Finding the Fourth Proportional to 16,106.07, 22,215.13 and 15,564.18

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Solution

The fourth proportional to 16,106.07, 22,215.13 and 15,564.18 is: 21,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,106.07 : 22,215.13 = 15,564.18 : x
  2. Step 2: Convert to fraction form
    16,106.07/22,215.13 = 15,564.18/x
  3. Step 3: Cross multiply
    16,106.07x = 22,215.13 × 15,564.18
  4. Step 4: Simplify right side
    16,106.07x = 345,760,282.04
  5. Step 5: Solve for x
    x = 345,760,282.04/16,106.07
  6. Step 6: Final answer
    x = 21,467.70

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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.