Home / 13,573.04-20,363.81-4,085.73

Finding the Fourth Proportional to 13,573.04, 20,363.81 and 4,085.73

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Solution

The fourth proportional to 13,573.04, 20,363.81 and 4,085.73 is: 6,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.04 : 20,363.81 = 4,085.73 : x
  2. Step 2: Convert to fraction form
    13,573.04/20,363.81 = 4,085.73/x
  3. Step 3: Cross multiply
    13,573.04x = 20,363.81 × 4,085.73
  4. Step 4: Simplify right side
    13,573.04x = 83,201,009.00
  5. Step 5: Solve for x
    x = 83,201,009.00/13,573.04
  6. Step 6: Final answer
    x = 6,129.88

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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.