Home / 26,142.99-36,080.43-15,532.66

Finding the Fourth Proportional to 26,142.99, 36,080.43 and 15,532.66

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Solution

The fourth proportional to 26,142.99, 36,080.43 and 15,532.66 is: 21,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.99 : 36,080.43 = 15,532.66 : x
  2. Step 2: Convert to fraction form
    26,142.99/36,080.43 = 15,532.66/x
  3. Step 3: Cross multiply
    26,142.99x = 36,080.43 × 15,532.66
  4. Step 4: Simplify right side
    26,142.99x = 560,425,051.84
  5. Step 5: Solve for x
    x = 560,425,051.84/26,142.99
  6. Step 6: Final answer
    x = 21,436.91

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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.