Home / 14,456.99-19,939.64-12,443.83

Finding the Fourth Proportional to 14,456.99, 19,939.64 and 12,443.83

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Solution

The fourth proportional to 14,456.99, 19,939.64 and 12,443.83 is: 17,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.99 : 19,939.64 = 12,443.83 : x
  2. Step 2: Convert to fraction form
    14,456.99/19,939.64 = 12,443.83/x
  3. Step 3: Cross multiply
    14,456.99x = 19,939.64 × 12,443.83
  4. Step 4: Simplify right side
    14,456.99x = 248,125,490.42
  5. Step 5: Solve for x
    x = 248,125,490.42/14,456.99
  6. Step 6: Final answer
    x = 17,163.01

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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.