Home / 29,553.12-40,782.72-16,124.64

Finding the Fourth Proportional to 29,553.12, 40,782.72 and 16,124.64

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Solution

The fourth proportional to 29,553.12, 40,782.72 and 16,124.64 is: 22,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,553.12 : 40,782.72 = 16,124.64 : x
  2. Step 2: Convert to fraction form
    29,553.12/40,782.72 = 16,124.64/x
  3. Step 3: Cross multiply
    29,553.12x = 40,782.72 × 16,124.64
  4. Step 4: Simplify right side
    29,553.12x = 657,606,678.22
  5. Step 5: Solve for x
    x = 657,606,678.22/29,553.12
  6. Step 6: Final answer
    x = 22,251.68

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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.