Home / 15,522.48-21,419.88-9,233.68

Finding the Fourth Proportional to 15,522.48, 21,419.88 and 9,233.68

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Solution

The fourth proportional to 15,522.48, 21,419.88 and 9,233.68 is: 12,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.48 : 21,419.88 = 9,233.68 : x
  2. Step 2: Convert to fraction form
    15,522.48/21,419.88 = 9,233.68/x
  3. Step 3: Cross multiply
    15,522.48x = 21,419.88 × 9,233.68
  4. Step 4: Simplify right side
    15,522.48x = 197,784,317.56
  5. Step 5: Solve for x
    x = 197,784,317.56/15,522.48
  6. Step 6: Final answer
    x = 12,741.80

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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.