Home / 18,273.79-25,217.31-10,316.76

Finding the Fourth Proportional to 18,273.79, 25,217.31 and 10,316.76

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Solution

The fourth proportional to 18,273.79, 25,217.31 and 10,316.76 is: 14,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.79 : 25,217.31 = 10,316.76 : x
  2. Step 2: Convert to fraction form
    18,273.79/25,217.31 = 10,316.76/x
  3. Step 3: Cross multiply
    18,273.79x = 25,217.31 × 10,316.76
  4. Step 4: Simplify right side
    18,273.79x = 260,160,935.12
  5. Step 5: Solve for x
    x = 260,160,935.12/18,273.79
  6. Step 6: Final answer
    x = 14,236.84

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Half scale
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Double scale
Find fourth proportional to 18,274.79, 25,218.69 and 10,317.76
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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.