Home / 14,372.48-21,545.76-5,136.32

Finding the Fourth Proportional to 14,372.48, 21,545.76 and 5,136.32

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Solution

The fourth proportional to 14,372.48, 21,545.76 and 5,136.32 is: 7,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.48 : 21,545.76 = 5,136.32 : x
  2. Step 2: Convert to fraction form
    14,372.48/21,545.76 = 5,136.32/x
  3. Step 3: Cross multiply
    14,372.48x = 21,545.76 × 5,136.32
  4. Step 4: Simplify right side
    14,372.48x = 110,665,918.00
  5. Step 5: Solve for x
    x = 110,665,918.00/14,372.48
  6. Step 6: Final answer
    x = 7,699.85

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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.