Home / 53,658.40-80,499.12-16,215.52

Finding the Fourth Proportional to 53,658.40, 80,499.12 and 16,215.52

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Solution

The fourth proportional to 53,658.40, 80,499.12 and 16,215.52 is: 24,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,658.40 : 80,499.12 = 16,215.52 : x
  2. Step 2: Convert to fraction form
    53,658.40/80,499.12 = 16,215.52/x
  3. Step 3: Cross multiply
    53,658.40x = 80,499.12 × 16,215.52
  4. Step 4: Simplify right side
    53,658.40x = 1,305,335,090.34
  5. Step 5: Solve for x
    x = 1,305,335,090.34/53,658.40
  6. Step 6: Final answer
    x = 24,326.76

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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.