Home / 22,106.88-30,507.40-12,035.28

Finding the Fourth Proportional to 22,106.88, 30,507.40 and 12,035.28

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Solution

The fourth proportional to 22,106.88, 30,507.40 and 12,035.28 is: 16,608.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.88 : 30,507.40 = 12,035.28 : x
  2. Step 2: Convert to fraction form
    22,106.88/30,507.40 = 12,035.28/x
  3. Step 3: Cross multiply
    22,106.88x = 30,507.40 × 12,035.28
  4. Step 4: Simplify right side
    22,106.88x = 367,165,101.07
  5. Step 5: Solve for x
    x = 367,165,101.07/22,106.88
  6. Step 6: Final answer
    x = 16,608.64

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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.