Home / 13,156.48-19,728.24-4,830.60

Finding the Fourth Proportional to 13,156.48, 19,728.24 and 4,830.60

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Solution

The fourth proportional to 13,156.48, 19,728.24 and 4,830.60 is: 7,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.48 : 19,728.24 = 4,830.60 : x
  2. Step 2: Convert to fraction form
    13,156.48/19,728.24 = 4,830.60/x
  3. Step 3: Cross multiply
    13,156.48x = 19,728.24 × 4,830.60
  4. Step 4: Simplify right side
    13,156.48x = 95,299,236.14
  5. Step 5: Solve for x
    x = 95,299,236.14/13,156.48
  6. Step 6: Final answer
    x = 7,243.52

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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.