Home / 13,242.02-18,273.40-7,273.33

Finding the Fourth Proportional to 13,242.02, 18,273.40 and 7,273.33

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Solution

The fourth proportional to 13,242.02, 18,273.40 and 7,273.33 is: 10,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.02 : 18,273.40 = 7,273.33 : x
  2. Step 2: Convert to fraction form
    13,242.02/18,273.40 = 7,273.33/x
  3. Step 3: Cross multiply
    13,242.02x = 18,273.40 × 7,273.33
  4. Step 4: Simplify right side
    13,242.02x = 132,908,404.56
  5. Step 5: Solve for x
    x = 132,908,404.56/13,242.02
  6. Step 6: Final answer
    x = 10,036.87

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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.