Home / 20,504.14-28,295.58-11,554.52

Finding the Fourth Proportional to 20,504.14, 28,295.58 and 11,554.52

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Solution

The fourth proportional to 20,504.14, 28,295.58 and 11,554.52 is: 15,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.14 : 28,295.58 = 11,554.52 : x
  2. Step 2: Convert to fraction form
    20,504.14/28,295.58 = 11,554.52/x
  3. Step 3: Cross multiply
    20,504.14x = 28,295.58 × 11,554.52
  4. Step 4: Simplify right side
    20,504.14x = 326,941,799.93
  5. Step 5: Solve for x
    x = 326,941,799.93/20,504.14
  6. Step 6: Final answer
    x = 15,945.16

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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.