Home / 26,515.69-39,775.29-9,875.32

Finding the Fourth Proportional to 26,515.69, 39,775.29 and 9,875.32

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Solution

The fourth proportional to 26,515.69, 39,775.29 and 9,875.32 is: 14,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.69 : 39,775.29 = 9,875.32 : x
  2. Step 2: Convert to fraction form
    26,515.69/39,775.29 = 9,875.32/x
  3. Step 3: Cross multiply
    26,515.69x = 39,775.29 × 9,875.32
  4. Step 4: Simplify right side
    26,515.69x = 392,793,716.84
  5. Step 5: Solve for x
    x = 392,793,716.84/26,515.69
  6. Step 6: Final answer
    x = 14,813.63

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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.