Home / 26,019.14-35,915.73-15,408.86

Finding the Fourth Proportional to 26,019.14, 35,915.73 and 15,408.86

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Solution

The fourth proportional to 26,019.14, 35,915.73 and 15,408.86 is: 21,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.14 : 35,915.73 = 15,408.86 : x
  2. Step 2: Convert to fraction form
    26,019.14/35,915.73 = 15,408.86/x
  3. Step 3: Cross multiply
    26,019.14x = 35,915.73 × 15,408.86
  4. Step 4: Simplify right side
    26,019.14x = 553,420,455.37
  5. Step 5: Solve for x
    x = 553,420,455.37/26,019.14
  6. Step 6: Final answer
    x = 21,269.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.