Home / 15,016.56-20,710.28-11,248.58

Finding the Fourth Proportional to 15,016.56, 20,710.28 and 11,248.58

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Solution

The fourth proportional to 15,016.56, 20,710.28 and 11,248.58 is: 15,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.56 : 20,710.28 = 11,248.58 : x
  2. Step 2: Convert to fraction form
    15,016.56/20,710.28 = 11,248.58/x
  3. Step 3: Cross multiply
    15,016.56x = 20,710.28 × 11,248.58
  4. Step 4: Simplify right side
    15,016.56x = 232,961,241.40
  5. Step 5: Solve for x
    x = 232,961,241.40/15,016.56
  6. Step 6: Final answer
    x = 15,513.62

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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.