Home / 26,483.38-39,705.81-12,436.17

Finding the Fourth Proportional to 26,483.38, 39,705.81 and 12,436.17

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Solution

The fourth proportional to 26,483.38, 39,705.81 and 12,436.17 is: 18,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.38 : 39,705.81 = 12,436.17 : x
  2. Step 2: Convert to fraction form
    26,483.38/39,705.81 = 12,436.17/x
  3. Step 3: Cross multiply
    26,483.38x = 39,705.81 × 12,436.17
  4. Step 4: Simplify right side
    26,483.38x = 493,788,218.69
  5. Step 5: Solve for x
    x = 493,788,218.69/26,483.38
  6. Step 6: Final answer
    x = 18,645.21

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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.