Home / 19,772.88-29,459.64-18,832.47

Finding the Fourth Proportional to 19,772.88, 29,459.64 and 18,832.47

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Solution

The fourth proportional to 19,772.88, 29,459.64 and 18,832.47 is: 28,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.88 : 29,459.64 = 18,832.47 : x
  2. Step 2: Convert to fraction form
    19,772.88/29,459.64 = 18,832.47/x
  3. Step 3: Cross multiply
    19,772.88x = 29,459.64 × 18,832.47
  4. Step 4: Simplify right side
    19,772.88x = 554,797,786.51
  5. Step 5: Solve for x
    x = 554,797,786.51/19,772.88
  6. Step 6: Final answer
    x = 28,058.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.