Home / 18,359.31-25,334.96-10,401.57

Finding the Fourth Proportional to 18,359.31, 25,334.96 and 10,401.57

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Solution

The fourth proportional to 18,359.31, 25,334.96 and 10,401.57 is: 14,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.31 : 25,334.96 = 10,401.57 : x
  2. Step 2: Convert to fraction form
    18,359.31/25,334.96 = 10,401.57/x
  3. Step 3: Cross multiply
    18,359.31x = 25,334.96 × 10,401.57
  4. Step 4: Simplify right side
    18,359.31x = 263,523,307.88
  5. Step 5: Solve for x
    x = 263,523,307.88/18,359.31
  6. Step 6: Final answer
    x = 14,353.66

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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.