Home / 19,637.68-27,100.45-11,140.37

Finding the Fourth Proportional to 19,637.68, 27,100.45 and 11,140.37

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Solution

The fourth proportional to 19,637.68, 27,100.45 and 11,140.37 is: 15,373.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.68 : 27,100.45 = 11,140.37 : x
  2. Step 2: Convert to fraction form
    19,637.68/27,100.45 = 11,140.37/x
  3. Step 3: Cross multiply
    19,637.68x = 27,100.45 × 11,140.37
  4. Step 4: Simplify right side
    19,637.68x = 301,909,040.17
  5. Step 5: Solve for x
    x = 301,909,040.17/19,637.68
  6. Step 6: Final answer
    x = 15,373.97

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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.