Home / 13,224.49-18,246.95-7,632.25

Finding the Fourth Proportional to 13,224.49, 18,246.95 and 7,632.25

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Solution

The fourth proportional to 13,224.49, 18,246.95 and 7,632.25 is: 10,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.49 : 18,246.95 = 7,632.25 : x
  2. Step 2: Convert to fraction form
    13,224.49/18,246.95 = 7,632.25/x
  3. Step 3: Cross multiply
    13,224.49x = 18,246.95 × 7,632.25
  4. Step 4: Simplify right side
    13,224.49x = 139,265,245.98
  5. Step 5: Solve for x
    x = 139,265,245.98/13,224.49
  6. Step 6: Final answer
    x = 10,530.86

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.