Home / 30,122.73-45,196.48-13,247.06

Finding the Fourth Proportional to 30,122.73, 45,196.48 and 13,247.06

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Solution

The fourth proportional to 30,122.73, 45,196.48 and 13,247.06 is: 19,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.73 : 45,196.48 = 13,247.06 : x
  2. Step 2: Convert to fraction form
    30,122.73/45,196.48 = 13,247.06/x
  3. Step 3: Cross multiply
    30,122.73x = 45,196.48 × 13,247.06
  4. Step 4: Simplify right side
    30,122.73x = 598,720,223.25
  5. Step 5: Solve for x
    x = 598,720,223.25/30,122.73
  6. Step 6: Final answer
    x = 19,876.03

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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.