Home / 26,140.68-39,211.15-6,419.24

Finding the Fourth Proportional to 26,140.68, 39,211.15 and 6,419.24

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Solution

The fourth proportional to 26,140.68, 39,211.15 and 6,419.24 is: 9,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.68 : 39,211.15 = 6,419.24 : x
  2. Step 2: Convert to fraction form
    26,140.68/39,211.15 = 6,419.24/x
  3. Step 3: Cross multiply
    26,140.68x = 39,211.15 × 6,419.24
  4. Step 4: Simplify right side
    26,140.68x = 251,705,848.81
  5. Step 5: Solve for x
    x = 251,705,848.81/26,140.68
  6. Step 6: Final answer
    x = 9,628.89

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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.