Home / 17,431.71-26,151.29-4,955.55

Finding the Fourth Proportional to 17,431.71, 26,151.29 and 4,955.55

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Solution

The fourth proportional to 17,431.71, 26,151.29 and 4,955.55 is: 7,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.71 : 26,151.29 = 4,955.55 : x
  2. Step 2: Convert to fraction form
    17,431.71/26,151.29 = 4,955.55/x
  3. Step 3: Cross multiply
    17,431.71x = 26,151.29 × 4,955.55
  4. Step 4: Simplify right side
    17,431.71x = 129,594,000.38
  5. Step 5: Solve for x
    x = 129,594,000.38/17,431.71
  6. Step 6: Final answer
    x = 7,434.38

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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.