Home / 16,514.37-22,790.16-9,345.87

Finding the Fourth Proportional to 16,514.37, 22,790.16 and 9,345.87

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Solution

The fourth proportional to 16,514.37, 22,790.16 and 9,345.87 is: 12,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,514.37 : 22,790.16 = 9,345.87 : x
  2. Step 2: Convert to fraction form
    16,514.37/22,790.16 = 9,345.87/x
  3. Step 3: Cross multiply
    16,514.37x = 22,790.16 × 9,345.87
  4. Step 4: Simplify right side
    16,514.37x = 212,993,872.64
  5. Step 5: Solve for x
    x = 212,993,872.64/16,514.37
  6. Step 6: Final answer
    x = 12,897.49

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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.