Home / 26,139.71-39,185.79-9,492.59

Finding the Fourth Proportional to 26,139.71, 39,185.79 and 9,492.59

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Solution

The fourth proportional to 26,139.71, 39,185.79 and 9,492.59 is: 14,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.71 : 39,185.79 = 9,492.59 : x
  2. Step 2: Convert to fraction form
    26,139.71/39,185.79 = 9,492.59/x
  3. Step 3: Cross multiply
    26,139.71x = 39,185.79 × 9,492.59
  4. Step 4: Simplify right side
    26,139.71x = 371,974,442.37
  5. Step 5: Solve for x
    x = 371,974,442.37/26,139.71
  6. Step 6: Final answer
    x = 14,230.25

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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.