Home / 17,431.71-26,139.35-6,330.57

Finding the Fourth Proportional to 17,431.71, 26,139.35 and 6,330.57

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Solution

The fourth proportional to 17,431.71, 26,139.35 and 6,330.57 is: 9,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.71 : 26,139.35 = 6,330.57 : x
  2. Step 2: Convert to fraction form
    17,431.71/26,139.35 = 6,330.57/x
  3. Step 3: Cross multiply
    17,431.71x = 26,139.35 × 6,330.57
  4. Step 4: Simplify right side
    17,431.71x = 165,476,953.28
  5. Step 5: Solve for x
    x = 165,476,953.28/17,431.71
  6. Step 6: Final answer
    x = 9,492.87

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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.