Home / 16,790.19-25,186.70-5,103.51

Finding the Fourth Proportional to 16,790.19, 25,186.70 and 5,103.51

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Solution

The fourth proportional to 16,790.19, 25,186.70 and 5,103.51 is: 7,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.19 : 25,186.70 = 5,103.51 : x
  2. Step 2: Convert to fraction form
    16,790.19/25,186.70 = 5,103.51/x
  3. Step 3: Cross multiply
    16,790.19x = 25,186.70 × 5,103.51
  4. Step 4: Simplify right side
    16,790.19x = 128,540,575.32
  5. Step 5: Solve for x
    x = 128,540,575.32/16,790.19
  6. Step 6: Final answer
    x = 7,655.70

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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.