Home / 14,037.96-21,064.56-5,272.20

Finding the Fourth Proportional to 14,037.96, 21,064.56 and 5,272.20

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Solution

The fourth proportional to 14,037.96, 21,064.56 and 5,272.20 is: 7,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,037.96 : 21,064.56 = 5,272.20 : x
  2. Step 2: Convert to fraction form
    14,037.96/21,064.56 = 5,272.20/x
  3. Step 3: Cross multiply
    14,037.96x = 21,064.56 × 5,272.20
  4. Step 4: Simplify right side
    14,037.96x = 111,056,573.23
  5. Step 5: Solve for x
    x = 111,056,573.23/14,037.96
  6. Step 6: Final answer
    x = 7,911.16

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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.