Home / 17,615.90-26,427.81-5,928.78

Finding the Fourth Proportional to 17,615.90, 26,427.81 and 5,928.78

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Solution

The fourth proportional to 17,615.90, 26,427.81 and 5,928.78 is: 8,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.90 : 26,427.81 = 5,928.78 : x
  2. Step 2: Convert to fraction form
    17,615.90/26,427.81 = 5,928.78/x
  3. Step 3: Cross multiply
    17,615.90x = 26,427.81 × 5,928.78
  4. Step 4: Simplify right side
    17,615.90x = 156,684,671.37
  5. Step 5: Solve for x
    x = 156,684,671.37/17,615.90
  6. Step 6: Final answer
    x = 8,894.50

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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.