Home / 15,213.40-22,820.10-14,608.60

Finding the Fourth Proportional to 15,213.40, 22,820.10 and 14,608.60

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Solution

The fourth proportional to 15,213.40, 22,820.10 and 14,608.60 is: 21,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.40 : 22,820.10 = 14,608.60 : x
  2. Step 2: Convert to fraction form
    15,213.40/22,820.10 = 14,608.60/x
  3. Step 3: Cross multiply
    15,213.40x = 22,820.10 × 14,608.60
  4. Step 4: Simplify right side
    15,213.40x = 333,369,712.86
  5. Step 5: Solve for x
    x = 333,369,712.86/15,213.40
  6. Step 6: Final answer
    x = 21,912.90

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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.