Home / 13,518.49-20,264.97-6,502.47

Finding the Fourth Proportional to 13,518.49, 20,264.97 and 6,502.47

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Solution

The fourth proportional to 13,518.49, 20,264.97 and 6,502.47 is: 9,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.49 : 20,264.97 = 6,502.47 : x
  2. Step 2: Convert to fraction form
    13,518.49/20,264.97 = 6,502.47/x
  3. Step 3: Cross multiply
    13,518.49x = 20,264.97 × 6,502.47
  4. Step 4: Simplify right side
    13,518.49x = 131,772,359.48
  5. Step 5: Solve for x
    x = 131,772,359.48/13,518.49
  6. Step 6: Final answer
    x = 9,747.57

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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.