Home / 18,846.60-28,273.56-7,168.04

Finding the Fourth Proportional to 18,846.60, 28,273.56 and 7,168.04

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Solution

The fourth proportional to 18,846.60, 28,273.56 and 7,168.04 is: 10,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.60 : 28,273.56 = 7,168.04 : x
  2. Step 2: Convert to fraction form
    18,846.60/28,273.56 = 7,168.04/x
  3. Step 3: Cross multiply
    18,846.60x = 28,273.56 × 7,168.04
  4. Step 4: Simplify right side
    18,846.60x = 202,666,009.02
  5. Step 5: Solve for x
    x = 202,666,009.02/18,846.60
  6. Step 6: Final answer
    x = 10,753.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.