Home / 19,837.31-27,363.02-13,866.80

Finding the Fourth Proportional to 19,837.31, 27,363.02 and 13,866.80

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Solution

The fourth proportional to 19,837.31, 27,363.02 and 13,866.80 is: 19,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.31 : 27,363.02 = 13,866.80 : x
  2. Step 2: Convert to fraction form
    19,837.31/27,363.02 = 13,866.80/x
  3. Step 3: Cross multiply
    19,837.31x = 27,363.02 × 13,866.80
  4. Step 4: Simplify right side
    19,837.31x = 379,437,319.59
  5. Step 5: Solve for x
    x = 379,437,319.59/19,837.31
  6. Step 6: Final answer
    x = 19,127.46

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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.