Home / 13,818.53-19,084.05-9,522.80

Finding the Fourth Proportional to 13,818.53, 19,084.05 and 9,522.80

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Solution

The fourth proportional to 13,818.53, 19,084.05 and 9,522.80 is: 13,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.53 : 19,084.05 = 9,522.80 : x
  2. Step 2: Convert to fraction form
    13,818.53/19,084.05 = 9,522.80/x
  3. Step 3: Cross multiply
    13,818.53x = 19,084.05 × 9,522.80
  4. Step 4: Simplify right side
    13,818.53x = 181,733,591.34
  5. Step 5: Solve for x
    x = 181,733,591.34/13,818.53
  6. Step 6: Final answer
    x = 13,151.44

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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.