Home / 15,167.19-20,928.26-8,792.53

Finding the Fourth Proportional to 15,167.19, 20,928.26 and 8,792.53

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Solution

The fourth proportional to 15,167.19, 20,928.26 and 8,792.53 is: 12,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.19 : 20,928.26 = 8,792.53 : x
  2. Step 2: Convert to fraction form
    15,167.19/20,928.26 = 8,792.53/x
  3. Step 3: Cross multiply
    15,167.19x = 20,928.26 × 8,792.53
  4. Step 4: Simplify right side
    15,167.19x = 184,012,353.90
  5. Step 5: Solve for x
    x = 184,012,353.90/15,167.19
  6. Step 6: Final answer
    x = 12,132.26

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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.