Home / 17,142.66-23,655.75-9,587.68

Finding the Fourth Proportional to 17,142.66, 23,655.75 and 9,587.68

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Solution

The fourth proportional to 17,142.66, 23,655.75 and 9,587.68 is: 13,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,142.66 : 23,655.75 = 9,587.68 : x
  2. Step 2: Convert to fraction form
    17,142.66/23,655.75 = 9,587.68/x
  3. Step 3: Cross multiply
    17,142.66x = 23,655.75 × 9,587.68
  4. Step 4: Simplify right side
    17,142.66x = 226,803,760.00
  5. Step 5: Solve for x
    x = 226,803,760.00/17,142.66
  6. Step 6: Final answer
    x = 13,230.37

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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.