Home / 13,316.76-18,352.44-9,953.64

Finding the Fourth Proportional to 13,316.76, 18,352.44 and 9,953.64

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Solution

The fourth proportional to 13,316.76, 18,352.44 and 9,953.64 is: 13,717.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.76 : 18,352.44 = 9,953.64 : x
  2. Step 2: Convert to fraction form
    13,316.76/18,352.44 = 9,953.64/x
  3. Step 3: Cross multiply
    13,316.76x = 18,352.44 × 9,953.64
  4. Step 4: Simplify right side
    13,316.76x = 182,673,580.88
  5. Step 5: Solve for x
    x = 182,673,580.88/13,316.76
  6. Step 6: Final answer
    x = 13,717.57

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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.