Home / 14,101.68-21,152.64-5,779.56

Finding the Fourth Proportional to 14,101.68, 21,152.64 and 5,779.56

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Solution

The fourth proportional to 14,101.68, 21,152.64 and 5,779.56 is: 8,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.68 : 21,152.64 = 5,779.56 : x
  2. Step 2: Convert to fraction form
    14,101.68/21,152.64 = 5,779.56/x
  3. Step 3: Cross multiply
    14,101.68x = 21,152.64 × 5,779.56
  4. Step 4: Simplify right side
    14,101.68x = 122,252,952.04
  5. Step 5: Solve for x
    x = 122,252,952.04/14,101.68
  6. Step 6: Final answer
    x = 8,669.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.