Home / 17,866.83-24,600.09-15,172.38

Finding the Fourth Proportional to 17,866.83, 24,600.09 and 15,172.38

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Solution

The fourth proportional to 17,866.83, 24,600.09 and 15,172.38 is: 20,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.83 : 24,600.09 = 15,172.38 : x
  2. Step 2: Convert to fraction form
    17,866.83/24,600.09 = 15,172.38/x
  3. Step 3: Cross multiply
    17,866.83x = 24,600.09 × 15,172.38
  4. Step 4: Simplify right side
    17,866.83x = 373,241,913.51
  5. Step 5: Solve for x
    x = 373,241,913.51/17,866.83
  6. Step 6: Final answer
    x = 20,890.21

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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.