Home / 14,608.40-21,912.60-5,373.20

Finding the Fourth Proportional to 14,608.40, 21,912.60 and 5,373.20

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Solution

The fourth proportional to 14,608.40, 21,912.60 and 5,373.20 is: 8,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.40 : 21,912.60 = 5,373.20 : x
  2. Step 2: Convert to fraction form
    14,608.40/21,912.60 = 5,373.20/x
  3. Step 3: Cross multiply
    14,608.40x = 21,912.60 × 5,373.20
  4. Step 4: Simplify right side
    14,608.40x = 117,740,782.32
  5. Step 5: Solve for x
    x = 117,740,782.32/14,608.40
  6. Step 6: Final answer
    x = 8,059.80

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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.