Home / 13,524.57-18,670.91-9,325.53

Finding the Fourth Proportional to 13,524.57, 18,670.91 and 9,325.53

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Solution

The fourth proportional to 13,524.57, 18,670.91 and 9,325.53 is: 12,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.57 : 18,670.91 = 9,325.53 : x
  2. Step 2: Convert to fraction form
    13,524.57/18,670.91 = 9,325.53/x
  3. Step 3: Cross multiply
    13,524.57x = 18,670.91 × 9,325.53
  4. Step 4: Simplify right side
    13,524.57x = 174,116,084.70
  5. Step 5: Solve for x
    x = 174,116,084.70/13,524.57
  6. Step 6: Final answer
    x = 12,874.06

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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.