Home / 14,358.32-19,806.88-10,815.36

Finding the Fourth Proportional to 14,358.32, 19,806.88 and 10,815.36

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Solution

The fourth proportional to 14,358.32, 19,806.88 and 10,815.36 is: 14,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.32 : 19,806.88 = 10,815.36 : x
  2. Step 2: Convert to fraction form
    14,358.32/19,806.88 = 10,815.36/x
  3. Step 3: Cross multiply
    14,358.32x = 19,806.88 × 10,815.36
  4. Step 4: Simplify right side
    14,358.32x = 214,218,537.68
  5. Step 5: Solve for x
    x = 214,218,537.68/14,358.32
  6. Step 6: Final answer
    x = 14,919.47

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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.