Home / 14,007.53-21,017.68-5,243.13

Finding the Fourth Proportional to 14,007.53, 21,017.68 and 5,243.13

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Solution

The fourth proportional to 14,007.53, 21,017.68 and 5,243.13 is: 7,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.53 : 21,017.68 = 5,243.13 : x
  2. Step 2: Convert to fraction form
    14,007.53/21,017.68 = 5,243.13/x
  3. Step 3: Cross multiply
    14,007.53x = 21,017.68 × 5,243.13
  4. Step 4: Simplify right side
    14,007.53x = 110,198,415.43
  5. Step 5: Solve for x
    x = 110,198,415.43/14,007.53
  6. Step 6: Final answer
    x = 7,867.08

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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.