Home / 66,011.23-99,022.67-18,626.74

Finding the Fourth Proportional to 66,011.23, 99,022.67 and 18,626.74

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Solution

The fourth proportional to 66,011.23, 99,022.67 and 18,626.74 is: 27,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.23 : 99,022.67 = 18,626.74 : x
  2. Step 2: Convert to fraction form
    66,011.23/99,022.67 = 18,626.74/x
  3. Step 3: Cross multiply
    66,011.23x = 99,022.67 × 18,626.74
  4. Step 4: Simplify right side
    66,011.23x = 1,844,469,528.20
  5. Step 5: Solve for x
    x = 1,844,469,528.20/66,011.23
  6. Step 6: Final answer
    x = 27,941.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.