Home / 17,130.36-23,639.80-9,576.71

Finding the Fourth Proportional to 17,130.36, 23,639.80 and 9,576.71

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Solution

The fourth proportional to 17,130.36, 23,639.80 and 9,576.71 is: 13,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.36 : 23,639.80 = 9,576.71 : x
  2. Step 2: Convert to fraction form
    17,130.36/23,639.80 = 9,576.71/x
  3. Step 3: Cross multiply
    17,130.36x = 23,639.80 × 9,576.71
  4. Step 4: Simplify right side
    17,130.36x = 226,391,342.98
  5. Step 5: Solve for x
    x = 226,391,342.98/17,130.36
  6. Step 6: Final answer
    x = 13,215.80

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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.