Home / 14,146.32-19,513.08-10,105.68

Finding the Fourth Proportional to 14,146.32, 19,513.08 and 10,105.68

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Solution

The fourth proportional to 14,146.32, 19,513.08 and 10,105.68 is: 13,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.32 : 19,513.08 = 10,105.68 : x
  2. Step 2: Convert to fraction form
    14,146.32/19,513.08 = 10,105.68/x
  3. Step 3: Cross multiply
    14,146.32x = 19,513.08 × 10,105.68
  4. Step 4: Simplify right side
    14,146.32x = 197,192,942.29
  5. Step 5: Solve for x
    x = 197,192,942.29/14,146.32
  6. Step 6: Final answer
    x = 13,939.52

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Double scale
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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.