Home / 16,166.12-22,310.16-10,779.26

Finding the Fourth Proportional to 16,166.12, 22,310.16 and 10,779.26

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Solution

The fourth proportional to 16,166.12, 22,310.16 and 10,779.26 is: 14,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,166.12 : 22,310.16 = 10,779.26 : x
  2. Step 2: Convert to fraction form
    16,166.12/22,310.16 = 10,779.26/x
  3. Step 3: Cross multiply
    16,166.12x = 22,310.16 × 10,779.26
  4. Step 4: Simplify right side
    16,166.12x = 240,487,015.28
  5. Step 5: Solve for x
    x = 240,487,015.28/16,166.12
  6. Step 6: Final answer
    x = 14,875.99

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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.