Home / 15,536.32-21,425.22-10,443.36

Finding the Fourth Proportional to 15,536.32, 21,425.22 and 10,443.36

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Solution

The fourth proportional to 15,536.32, 21,425.22 and 10,443.36 is: 14,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.32 : 21,425.22 = 10,443.36 : x
  2. Step 2: Convert to fraction form
    15,536.32/21,425.22 = 10,443.36/x
  3. Step 3: Cross multiply
    15,536.32x = 21,425.22 × 10,443.36
  4. Step 4: Simplify right side
    15,536.32x = 223,751,285.54
  5. Step 5: Solve for x
    x = 223,751,285.54/15,536.32
  6. Step 6: Final answer
    x = 14,401.82

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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.