Home / 20,188.02-27,869.22-13,848.96

Finding the Fourth Proportional to 20,188.02, 27,869.22 and 13,848.96

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Solution

The fourth proportional to 20,188.02, 27,869.22 and 13,848.96 is: 19,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.02 : 27,869.22 = 13,848.96 : x
  2. Step 2: Convert to fraction form
    20,188.02/27,869.22 = 13,848.96/x
  3. Step 3: Cross multiply
    20,188.02x = 27,869.22 × 13,848.96
  4. Step 4: Simplify right side
    20,188.02x = 385,959,713.01
  5. Step 5: Solve for x
    x = 385,959,713.01/20,188.02
  6. Step 6: Final answer
    x = 19,118.25

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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.