Home / 20,182.02-27,848.67-11,228.88

Finding the Fourth Proportional to 20,182.02, 27,848.67 and 11,228.88

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Solution

The fourth proportional to 20,182.02, 27,848.67 and 11,228.88 is: 15,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.02 : 27,848.67 = 11,228.88 : x
  2. Step 2: Convert to fraction form
    20,182.02/27,848.67 = 11,228.88/x
  3. Step 3: Cross multiply
    20,182.02x = 27,848.67 × 11,228.88
  4. Step 4: Simplify right side
    20,182.02x = 312,709,373.59
  5. Step 5: Solve for x
    x = 312,709,373.59/20,182.02
  6. Step 6: Final answer
    x = 15,494.45

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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.