Home / 17,128.40-23,637.13-9,574.73

Finding the Fourth Proportional to 17,128.40, 23,637.13 and 9,574.73

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Solution

The fourth proportional to 17,128.40, 23,637.13 and 9,574.73 is: 13,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.40 : 23,637.13 = 9,574.73 : x
  2. Step 2: Convert to fraction form
    17,128.40/23,637.13 = 9,574.73/x
  3. Step 3: Cross multiply
    17,128.40x = 23,637.13 × 9,574.73
  4. Step 4: Simplify right side
    17,128.40x = 226,319,137.72
  5. Step 5: Solve for x
    x = 226,319,137.72/17,128.40
  6. Step 6: Final answer
    x = 13,213.09

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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.