Home / 20,596.00-28,422.51-11,164.58

Finding the Fourth Proportional to 20,596.00, 28,422.51 and 11,164.58

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Solution

The fourth proportional to 20,596.00, 28,422.51 and 11,164.58 is: 15,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.00 : 28,422.51 = 11,164.58 : x
  2. Step 2: Convert to fraction form
    20,596.00/28,422.51 = 11,164.58/x
  3. Step 3: Cross multiply
    20,596.00x = 28,422.51 × 11,164.58
  4. Step 4: Simplify right side
    20,596.00x = 317,325,386.70
  5. Step 5: Solve for x
    x = 317,325,386.70/20,596.00
  6. Step 6: Final answer
    x = 15,407.14

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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.