Home / 17,156.68-23,677.30-9,986.76

Finding the Fourth Proportional to 17,156.68, 23,677.30 and 9,986.76

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Solution

The fourth proportional to 17,156.68, 23,677.30 and 9,986.76 is: 13,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,156.68 : 23,677.30 = 9,986.76 : x
  2. Step 2: Convert to fraction form
    17,156.68/23,677.30 = 9,986.76/x
  3. Step 3: Cross multiply
    17,156.68x = 23,677.30 × 9,986.76
  4. Step 4: Simplify right side
    17,156.68x = 236,459,512.55
  5. Step 5: Solve for x
    x = 236,459,512.55/17,156.68
  6. Step 6: Final answer
    x = 13,782.36

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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.