Home / 20,018.30-27,624.84-11,066.18

Finding the Fourth Proportional to 20,018.30, 27,624.84 and 11,066.18

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Solution

The fourth proportional to 20,018.30, 27,624.84 and 11,066.18 is: 15,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.30 : 27,624.84 = 11,066.18 : x
  2. Step 2: Convert to fraction form
    20,018.30/27,624.84 = 11,066.18/x
  3. Step 3: Cross multiply
    20,018.30x = 27,624.84 × 11,066.18
  4. Step 4: Simplify right side
    20,018.30x = 305,701,313.79
  5. Step 5: Solve for x
    x = 305,701,313.79/20,018.30
  6. Step 6: Final answer
    x = 15,271.10

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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.