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Finding the Fourth Proportional to 18,113.76, 24,996.15 and 10,047.60

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Solution

The fourth proportional to 18,113.76, 24,996.15 and 10,047.60 is: 13,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.76 : 24,996.15 = 10,047.60 : x
  2. Step 2: Convert to fraction form
    18,113.76/24,996.15 = 10,047.60/x
  3. Step 3: Cross multiply
    18,113.76x = 24,996.15 × 10,047.60
  4. Step 4: Simplify right side
    18,113.76x = 251,151,316.74
  5. Step 5: Solve for x
    x = 251,151,316.74/18,113.76
  6. Step 6: Final answer
    x = 13,865.22

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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.