Home / 22,106.12-30,507.90-12,674.84

Finding the Fourth Proportional to 22,106.12, 30,507.90 and 12,674.84

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Solution

The fourth proportional to 22,106.12, 30,507.90 and 12,674.84 is: 17,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.12 : 30,507.90 = 12,674.84 : x
  2. Step 2: Convert to fraction form
    22,106.12/30,507.90 = 12,674.84/x
  3. Step 3: Cross multiply
    22,106.12x = 30,507.90 × 12,674.84
  4. Step 4: Simplify right side
    22,106.12x = 386,682,751.24
  5. Step 5: Solve for x
    x = 386,682,751.24/22,106.12
  6. Step 6: Final answer
    x = 17,492.11

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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.