Home / 20,298.96-28,015.56-14,652.48

Finding the Fourth Proportional to 20,298.96, 28,015.56 and 14,652.48

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Solution

The fourth proportional to 20,298.96, 28,015.56 and 14,652.48 is: 20,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.96 : 28,015.56 = 14,652.48 : x
  2. Step 2: Convert to fraction form
    20,298.96/28,015.56 = 14,652.48/x
  3. Step 3: Cross multiply
    20,298.96x = 28,015.56 × 14,652.48
  4. Step 4: Simplify right side
    20,298.96x = 410,497,432.59
  5. Step 5: Solve for x
    x = 410,497,432.59/20,298.96
  6. Step 6: Final answer
    x = 20,222.58

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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.