Home / 14,037.48-21,053.32-5,272.20

Finding the Fourth Proportional to 14,037.48, 21,053.32 and 5,272.20

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Solution

The fourth proportional to 14,037.48, 21,053.32 and 5,272.20 is: 7,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.48 : 21,053.32 = 5,272.20 : x
  2. Step 2: Convert to fraction form
    14,037.48/21,053.32 = 5,272.20/x
  3. Step 3: Cross multiply
    14,037.48x = 21,053.32 × 5,272.20
  4. Step 4: Simplify right side
    14,037.48x = 110,997,313.70
  5. Step 5: Solve for x
    x = 110,997,313.70/14,037.48
  6. Step 6: Final answer
    x = 7,907.21

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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.