Home / 18,175.32-25,081.67-10,108.87

Finding the Fourth Proportional to 18,175.32, 25,081.67 and 10,108.87

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Solution

The fourth proportional to 18,175.32, 25,081.67 and 10,108.87 is: 13,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.32 : 25,081.67 = 10,108.87 : x
  2. Step 2: Convert to fraction form
    18,175.32/25,081.67 = 10,108.87/x
  3. Step 3: Cross multiply
    18,175.32x = 25,081.67 × 10,108.87
  4. Step 4: Simplify right side
    18,175.32x = 253,547,303.98
  5. Step 5: Solve for x
    x = 253,547,303.98/18,175.32
  6. Step 6: Final answer
    x = 13,950.09

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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.