Home / 21,057.01-29,053.64-12,562.24

Finding the Fourth Proportional to 21,057.01, 29,053.64 and 12,562.24

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Solution

The fourth proportional to 21,057.01, 29,053.64 and 12,562.24 is: 17,332.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.01 : 29,053.64 = 12,562.24 : x
  2. Step 2: Convert to fraction form
    21,057.01/29,053.64 = 12,562.24/x
  3. Step 3: Cross multiply
    21,057.01x = 29,053.64 × 12,562.24
  4. Step 4: Simplify right side
    21,057.01x = 364,978,741.14
  5. Step 5: Solve for x
    x = 364,978,741.14/21,057.01
  6. Step 6: Final answer
    x = 17,332.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.