Home / 14,268.38-21,404.01-4,909.16

Finding the Fourth Proportional to 14,268.38, 21,404.01 and 4,909.16

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Solution

The fourth proportional to 14,268.38, 21,404.01 and 4,909.16 is: 7,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.38 : 21,404.01 = 4,909.16 : x
  2. Step 2: Convert to fraction form
    14,268.38/21,404.01 = 4,909.16/x
  3. Step 3: Cross multiply
    14,268.38x = 21,404.01 × 4,909.16
  4. Step 4: Simplify right side
    14,268.38x = 105,075,709.73
  5. Step 5: Solve for x
    x = 105,075,709.73/14,268.38
  6. Step 6: Final answer
    x = 7,364.24

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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.