Home / 14,570.70-21,861.45-4,710.30

Finding the Fourth Proportional to 14,570.70, 21,861.45 and 4,710.30

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Solution

The fourth proportional to 14,570.70, 21,861.45 and 4,710.30 is: 7,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.70 : 21,861.45 = 4,710.30 : x
  2. Step 2: Convert to fraction form
    14,570.70/21,861.45 = 4,710.30/x
  3. Step 3: Cross multiply
    14,570.70x = 21,861.45 × 4,710.30
  4. Step 4: Simplify right side
    14,570.70x = 102,973,987.94
  5. Step 5: Solve for x
    x = 102,973,987.94/14,570.70
  6. Step 6: Final answer
    x = 7,067.20

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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.