Home / 19,775.12-27,261.28-14,100.02

Finding the Fourth Proportional to 19,775.12, 27,261.28 and 14,100.02

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Solution

The fourth proportional to 19,775.12, 27,261.28 and 14,100.02 is: 19,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.12 : 27,261.28 = 14,100.02 : x
  2. Step 2: Convert to fraction form
    19,775.12/27,261.28 = 14,100.02/x
  3. Step 3: Cross multiply
    19,775.12x = 27,261.28 × 14,100.02
  4. Step 4: Simplify right side
    19,775.12x = 384,384,593.23
  5. Step 5: Solve for x
    x = 384,384,593.23/19,775.12
  6. Step 6: Final answer
    x = 19,437.79

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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.