Home / 17,731.80-26,564.90-10,339.80

Finding the Fourth Proportional to 17,731.80, 26,564.90 and 10,339.80

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Solution

The fourth proportional to 17,731.80, 26,564.90 and 10,339.80 is: 15,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.80 : 26,564.90 = 10,339.80 : x
  2. Step 2: Convert to fraction form
    17,731.80/26,564.90 = 10,339.80/x
  3. Step 3: Cross multiply
    17,731.80x = 26,564.90 × 10,339.80
  4. Step 4: Simplify right side
    17,731.80x = 274,675,753.02
  5. Step 5: Solve for x
    x = 274,675,753.02/17,731.80
  6. Step 6: Final answer
    x = 15,490.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.