Home / 14,268.80-21,397.68-4,907.04

Finding the Fourth Proportional to 14,268.80, 21,397.68 and 4,907.04

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Solution

The fourth proportional to 14,268.80, 21,397.68 and 4,907.04 is: 7,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.80 : 21,397.68 = 4,907.04 : x
  2. Step 2: Convert to fraction form
    14,268.80/21,397.68 = 4,907.04/x
  3. Step 3: Cross multiply
    14,268.80x = 21,397.68 × 4,907.04
  4. Step 4: Simplify right side
    14,268.80x = 104,999,271.67
  5. Step 5: Solve for x
    x = 104,999,271.67/14,268.80
  6. Step 6: Final answer
    x = 7,358.66

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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.