Home / 20,595.96-28,422.36-11,164.52

Finding the Fourth Proportional to 20,595.96, 28,422.36 and 11,164.52

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Solution

The fourth proportional to 20,595.96, 28,422.36 and 11,164.52 is: 15,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.96 : 28,422.36 = 11,164.52 : x
  2. Step 2: Convert to fraction form
    20,595.96/28,422.36 = 11,164.52/x
  3. Step 3: Cross multiply
    20,595.96x = 28,422.36 × 11,164.52
  4. Step 4: Simplify right side
    20,595.96x = 317,322,006.67
  5. Step 5: Solve for x
    x = 317,322,006.67/20,595.96
  6. Step 6: Final answer
    x = 15,407.00

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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.