Home / 14,126.04-21,180.86-5,356.17

Finding the Fourth Proportional to 14,126.04, 21,180.86 and 5,356.17

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Solution

The fourth proportional to 14,126.04, 21,180.86 and 5,356.17 is: 8,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.04 : 21,180.86 = 5,356.17 : x
  2. Step 2: Convert to fraction form
    14,126.04/21,180.86 = 5,356.17/x
  3. Step 3: Cross multiply
    14,126.04x = 21,180.86 × 5,356.17
  4. Step 4: Simplify right side
    14,126.04x = 113,448,260.13
  5. Step 5: Solve for x
    x = 113,448,260.13/14,126.04
  6. Step 6: Final answer
    x = 8,031.14

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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.