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Finding the Fourth Proportional to 18,056.34, 24,918.30 and 10,099.98

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Solution

The fourth proportional to 18,056.34, 24,918.30 and 10,099.98 is: 13,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.34 : 24,918.30 = 10,099.98 : x
  2. Step 2: Convert to fraction form
    18,056.34/24,918.30 = 10,099.98/x
  3. Step 3: Cross multiply
    18,056.34x = 24,918.30 × 10,099.98
  4. Step 4: Simplify right side
    18,056.34x = 251,674,331.63
  5. Step 5: Solve for x
    x = 251,674,331.63/18,056.34
  6. Step 6: Final answer
    x = 13,938.28

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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.