Home / 19,938.16-27,507.44-13,227.04

Finding the Fourth Proportional to 19,938.16, 27,507.44 and 13,227.04

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Solution

The fourth proportional to 19,938.16, 27,507.44 and 13,227.04 is: 18,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.16 : 27,507.44 = 13,227.04 : x
  2. Step 2: Convert to fraction form
    19,938.16/27,507.44 = 13,227.04/x
  3. Step 3: Cross multiply
    19,938.16x = 27,507.44 × 13,227.04
  4. Step 4: Simplify right side
    19,938.16x = 363,842,009.18
  5. Step 5: Solve for x
    x = 363,842,009.18/19,938.16
  6. Step 6: Final answer
    x = 18,248.52

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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.