Home / 15,592.81-21,518.31-11,063.47

Finding the Fourth Proportional to 15,592.81, 21,518.31 and 11,063.47

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Solution

The fourth proportional to 15,592.81, 21,518.31 and 11,063.47 is: 15,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.81 : 21,518.31 = 11,063.47 : x
  2. Step 2: Convert to fraction form
    15,592.81/21,518.31 = 11,063.47/x
  3. Step 3: Cross multiply
    15,592.81x = 21,518.31 × 11,063.47
  4. Step 4: Simplify right side
    15,592.81x = 238,067,177.14
  5. Step 5: Solve for x
    x = 238,067,177.14/15,592.81
  6. Step 6: Final answer
    x = 15,267.75

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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.