Home / 26,239.74-39,347.98-7,515.50

Finding the Fourth Proportional to 26,239.74, 39,347.98 and 7,515.50

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Solution

The fourth proportional to 26,239.74, 39,347.98 and 7,515.50 is: 11,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,239.74 : 39,347.98 = 7,515.50 : x
  2. Step 2: Convert to fraction form
    26,239.74/39,347.98 = 7,515.50/x
  3. Step 3: Cross multiply
    26,239.74x = 39,347.98 × 7,515.50
  4. Step 4: Simplify right side
    26,239.74x = 295,719,743.69
  5. Step 5: Solve for x
    x = 295,719,743.69/26,239.74
  6. Step 6: Final answer
    x = 11,269.92

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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.