Home / 18,665.34-25,756.11-10,599.30

Finding the Fourth Proportional to 18,665.34, 25,756.11 and 10,599.30

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Solution

The fourth proportional to 18,665.34, 25,756.11 and 10,599.30 is: 14,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.34 : 25,756.11 = 10,599.30 : x
  2. Step 2: Convert to fraction form
    18,665.34/25,756.11 = 10,599.30/x
  3. Step 3: Cross multiply
    18,665.34x = 25,756.11 × 10,599.30
  4. Step 4: Simplify right side
    18,665.34x = 272,996,736.72
  5. Step 5: Solve for x
    x = 272,996,736.72/18,665.34
  6. Step 6: Final answer
    x = 14,625.86

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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.