Home / 14,071.74-21,099.81-5,757.59

Finding the Fourth Proportional to 14,071.74, 21,099.81 and 5,757.59

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Solution

The fourth proportional to 14,071.74, 21,099.81 and 5,757.59 is: 8,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.74 : 21,099.81 = 5,757.59 : x
  2. Step 2: Convert to fraction form
    14,071.74/21,099.81 = 5,757.59/x
  3. Step 3: Cross multiply
    14,071.74x = 21,099.81 × 5,757.59
  4. Step 4: Simplify right side
    14,071.74x = 121,484,055.06
  5. Step 5: Solve for x
    x = 121,484,055.06/14,071.74
  6. Step 6: Final answer
    x = 8,633.19

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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.