Home / 26,106.47-36,018.68-15,347.91

Finding the Fourth Proportional to 26,106.47, 36,018.68 and 15,347.91

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Solution

The fourth proportional to 26,106.47, 36,018.68 and 15,347.91 is: 21,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.47 : 36,018.68 = 15,347.91 : x
  2. Step 2: Convert to fraction form
    26,106.47/36,018.68 = 15,347.91/x
  3. Step 3: Cross multiply
    26,106.47x = 36,018.68 × 15,347.91
  4. Step 4: Simplify right side
    26,106.47x = 552,811,517.29
  5. Step 5: Solve for x
    x = 552,811,517.29/26,106.47
  6. Step 6: Final answer
    x = 21,175.27

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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.