Home / 19,644.80-29,467.20-10,875.52

Finding the Fourth Proportional to 19,644.80, 29,467.20 and 10,875.52

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Solution

The fourth proportional to 19,644.80, 29,467.20 and 10,875.52 is: 16,313.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.80 : 29,467.20 = 10,875.52 : x
  2. Step 2: Convert to fraction form
    19,644.80/29,467.20 = 10,875.52/x
  3. Step 3: Cross multiply
    19,644.80x = 29,467.20 × 10,875.52
  4. Step 4: Simplify right side
    19,644.80x = 320,471,122.94
  5. Step 5: Solve for x
    x = 320,471,122.94/19,644.80
  6. Step 6: Final answer
    x = 16,313.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.