Home / 15,715.61-23,571.99-9,433.43

Finding the Fourth Proportional to 15,715.61, 23,571.99 and 9,433.43

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Solution

The fourth proportional to 15,715.61, 23,571.99 and 9,433.43 is: 14,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.61 : 23,571.99 = 9,433.43 : x
  2. Step 2: Convert to fraction form
    15,715.61/23,571.99 = 9,433.43/x
  3. Step 3: Cross multiply
    15,715.61x = 23,571.99 × 9,433.43
  4. Step 4: Simplify right side
    15,715.61x = 222,364,599.77
  5. Step 5: Solve for x
    x = 222,364,599.77/15,715.61
  6. Step 6: Final answer
    x = 14,149.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.