Home / 13,298.64-19,863.77-10,346.19

Finding the Fourth Proportional to 13,298.64, 19,863.77 and 10,346.19

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Solution

The fourth proportional to 13,298.64, 19,863.77 and 10,346.19 is: 15,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.64 : 19,863.77 = 10,346.19 : x
  2. Step 2: Convert to fraction form
    13,298.64/19,863.77 = 10,346.19/x
  3. Step 3: Cross multiply
    13,298.64x = 19,863.77 × 10,346.19
  4. Step 4: Simplify right side
    13,298.64x = 205,514,338.54
  5. Step 5: Solve for x
    x = 205,514,338.54/13,298.64
  6. Step 6: Final answer
    x = 15,453.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.