Home / 23,012.64-34,516.08-9,171.36

Finding the Fourth Proportional to 23,012.64, 34,516.08 and 9,171.36

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Solution

The fourth proportional to 23,012.64, 34,516.08 and 9,171.36 is: 13,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.64 : 34,516.08 = 9,171.36 : x
  2. Step 2: Convert to fraction form
    23,012.64/34,516.08 = 9,171.36/x
  3. Step 3: Cross multiply
    23,012.64x = 34,516.08 × 9,171.36
  4. Step 4: Simplify right side
    23,012.64x = 316,559,395.47
  5. Step 5: Solve for x
    x = 316,559,395.47/23,012.64
  6. Step 6: Final answer
    x = 13,755.89

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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.