Home / 16,151.93-22,290.14-9,779.68

Finding the Fourth Proportional to 16,151.93, 22,290.14 and 9,779.68

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Solution

The fourth proportional to 16,151.93, 22,290.14 and 9,779.68 is: 13,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,151.93 : 22,290.14 = 9,779.68 : x
  2. Step 2: Convert to fraction form
    16,151.93/22,290.14 = 9,779.68/x
  3. Step 3: Cross multiply
    16,151.93x = 22,290.14 × 9,779.68
  4. Step 4: Simplify right side
    16,151.93x = 217,990,451.99
  5. Step 5: Solve for x
    x = 217,990,451.99/16,151.93
  6. Step 6: Final answer
    x = 13,496.25

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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.