Home / 13,035.90-19,563.45-5,250.30

Finding the Fourth Proportional to 13,035.90, 19,563.45 and 5,250.30

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Solution

The fourth proportional to 13,035.90, 19,563.45 and 5,250.30 is: 7,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.90 : 19,563.45 = 5,250.30 : x
  2. Step 2: Convert to fraction form
    13,035.90/19,563.45 = 5,250.30/x
  3. Step 3: Cross multiply
    13,035.90x = 19,563.45 × 5,250.30
  4. Step 4: Simplify right side
    13,035.90x = 102,713,981.54
  5. Step 5: Solve for x
    x = 102,713,981.54/13,035.90
  6. Step 6: Final answer
    x = 7,879.32

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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.