Home / 17,136.19-23,646.64-10,420.89

Finding the Fourth Proportional to 17,136.19, 23,646.64 and 10,420.89

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Solution

The fourth proportional to 17,136.19, 23,646.64 and 10,420.89 is: 14,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.19 : 23,646.64 = 10,420.89 : x
  2. Step 2: Convert to fraction form
    17,136.19/23,646.64 = 10,420.89/x
  3. Step 3: Cross multiply
    17,136.19x = 23,646.64 × 10,420.89
  4. Step 4: Simplify right side
    17,136.19x = 246,419,034.31
  5. Step 5: Solve for x
    x = 246,419,034.31/17,136.19
  6. Step 6: Final answer
    x = 14,380.04

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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.