Home / 14,127.35-21,178.89-5,802.17

Finding the Fourth Proportional to 14,127.35, 21,178.89 and 5,802.17

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Solution

The fourth proportional to 14,127.35, 21,178.89 and 5,802.17 is: 8,698.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.35 : 21,178.89 = 5,802.17 : x
  2. Step 2: Convert to fraction form
    14,127.35/21,178.89 = 5,802.17/x
  3. Step 3: Cross multiply
    14,127.35x = 21,178.89 × 5,802.17
  4. Step 4: Simplify right side
    14,127.35x = 122,883,414.30
  5. Step 5: Solve for x
    x = 122,883,414.30/14,127.35
  6. Step 6: Final answer
    x = 8,698.27

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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.