Home / 20,701.09-28,514.19-16,216.93

Finding the Fourth Proportional to 20,701.09, 28,514.19 and 16,216.93

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Solution

The fourth proportional to 20,701.09, 28,514.19 and 16,216.93 is: 22,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.09 : 28,514.19 = 16,216.93 : x
  2. Step 2: Convert to fraction form
    20,701.09/28,514.19 = 16,216.93/x
  3. Step 3: Cross multiply
    20,701.09x = 28,514.19 × 16,216.93
  4. Step 4: Simplify right side
    20,701.09x = 462,412,623.24
  5. Step 5: Solve for x
    x = 462,412,623.24/20,701.09
  6. Step 6: Final answer
    x = 22,337.60

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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.