Home / 15,252.22-21,048.42-8,537.68

Finding the Fourth Proportional to 15,252.22, 21,048.42 and 8,537.68

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Solution

The fourth proportional to 15,252.22, 21,048.42 and 8,537.68 is: 11,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.22 : 21,048.42 = 8,537.68 : x
  2. Step 2: Convert to fraction form
    15,252.22/21,048.42 = 8,537.68/x
  3. Step 3: Cross multiply
    15,252.22x = 21,048.42 × 8,537.68
  4. Step 4: Simplify right side
    15,252.22x = 179,704,674.47
  5. Step 5: Solve for x
    x = 179,704,674.47/15,252.22
  6. Step 6: Final answer
    x = 11,782.20

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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.