Home / 18,344.93-25,316.10-10,388.71

Finding the Fourth Proportional to 18,344.93, 25,316.10 and 10,388.71

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Solution

The fourth proportional to 18,344.93, 25,316.10 and 10,388.71 is: 14,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.93 : 25,316.10 = 10,388.71 : x
  2. Step 2: Convert to fraction form
    18,344.93/25,316.10 = 10,388.71/x
  3. Step 3: Cross multiply
    18,344.93x = 25,316.10 × 10,388.71
  4. Step 4: Simplify right side
    18,344.93x = 263,001,539.69
  5. Step 5: Solve for x
    x = 263,001,539.69/18,344.93
  6. Step 6: Final answer
    x = 14,336.47

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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.