Home / 14,428.82-21,645.90-4,570.58

Finding the Fourth Proportional to 14,428.82, 21,645.90 and 4,570.58

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Solution

The fourth proportional to 14,428.82, 21,645.90 and 4,570.58 is: 6,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.82 : 21,645.90 = 4,570.58 : x
  2. Step 2: Convert to fraction form
    14,428.82/21,645.90 = 4,570.58/x
  3. Step 3: Cross multiply
    14,428.82x = 21,645.90 × 4,570.58
  4. Step 4: Simplify right side
    14,428.82x = 98,934,317.62
  5. Step 5: Solve for x
    x = 98,934,317.62/14,428.82
  6. Step 6: Final answer
    x = 6,856.72

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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.