Home / 14,451.03-21,678.28-5,089.11

Finding the Fourth Proportional to 14,451.03, 21,678.28 and 5,089.11

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Solution

The fourth proportional to 14,451.03, 21,678.28 and 5,089.11 is: 7,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.03 : 21,678.28 = 5,089.11 : x
  2. Step 2: Convert to fraction form
    14,451.03/21,678.28 = 5,089.11/x
  3. Step 3: Cross multiply
    14,451.03x = 21,678.28 × 5,089.11
  4. Step 4: Simplify right side
    14,451.03x = 110,323,098.99
  5. Step 5: Solve for x
    x = 110,323,098.99/14,451.03
  6. Step 6: Final answer
    x = 7,634.28

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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.