Home / 26,143.70-39,199.75-10,543.10

Finding the Fourth Proportional to 26,143.70, 39,199.75 and 10,543.10

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Solution

The fourth proportional to 26,143.70, 39,199.75 and 10,543.10 is: 15,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.70 : 39,199.75 = 10,543.10 : x
  2. Step 2: Convert to fraction form
    26,143.70/39,199.75 = 10,543.10/x
  3. Step 3: Cross multiply
    26,143.70x = 39,199.75 × 10,543.10
  4. Step 4: Simplify right side
    26,143.70x = 413,286,661.87
  5. Step 5: Solve for x
    x = 413,286,661.87/26,143.70
  6. Step 6: Final answer
    x = 15,808.27

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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.