Home / 17,419.45-26,111.29-6,885.21

Finding the Fourth Proportional to 17,419.45, 26,111.29 and 6,885.21

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Solution

The fourth proportional to 17,419.45, 26,111.29 and 6,885.21 is: 10,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.45 : 26,111.29 = 6,885.21 : x
  2. Step 2: Convert to fraction form
    17,419.45/26,111.29 = 6,885.21/x
  3. Step 3: Cross multiply
    17,419.45x = 26,111.29 × 6,885.21
  4. Step 4: Simplify right side
    17,419.45x = 179,781,715.02
  5. Step 5: Solve for x
    x = 179,781,715.02/17,419.45
  6. Step 6: Final answer
    x = 10,320.75

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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.