Home / 14,521.04-21,781.56-3,577.04

Finding the Fourth Proportional to 14,521.04, 21,781.56 and 3,577.04

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Solution

The fourth proportional to 14,521.04, 21,781.56 and 3,577.04 is: 5,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.04 : 21,781.56 = 3,577.04 : x
  2. Step 2: Convert to fraction form
    14,521.04/21,781.56 = 3,577.04/x
  3. Step 3: Cross multiply
    14,521.04x = 21,781.56 × 3,577.04
  4. Step 4: Simplify right side
    14,521.04x = 77,913,511.38
  5. Step 5: Solve for x
    x = 77,913,511.38/14,521.04
  6. Step 6: Final answer
    x = 5,365.56

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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.