Home / 14,155.50-21,231.56-4,795.50

Finding the Fourth Proportional to 14,155.50, 21,231.56 and 4,795.50

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Solution

The fourth proportional to 14,155.50, 21,231.56 and 4,795.50 is: 7,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.50 : 21,231.56 = 4,795.50 : x
  2. Step 2: Convert to fraction form
    14,155.50/21,231.56 = 4,795.50/x
  3. Step 3: Cross multiply
    14,155.50x = 21,231.56 × 4,795.50
  4. Step 4: Simplify right side
    14,155.50x = 101,815,922.00
  5. Step 5: Solve for x
    x = 101,815,922.00/14,155.50
  6. Step 6: Final answer
    x = 7,192.68

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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.