Home / 26,005.71-39,030.68-10,221.76

Finding the Fourth Proportional to 26,005.71, 39,030.68 and 10,221.76

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Solution

The fourth proportional to 26,005.71, 39,030.68 and 10,221.76 is: 15,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.71 : 39,030.68 = 10,221.76 : x
  2. Step 2: Convert to fraction form
    26,005.71/39,030.68 = 10,221.76/x
  3. Step 3: Cross multiply
    26,005.71x = 39,030.68 × 10,221.76
  4. Step 4: Simplify right side
    26,005.71x = 398,962,243.60
  5. Step 5: Solve for x
    x = 398,962,243.60/26,005.71
  6. Step 6: Final answer
    x = 15,341.33

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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.