Home / 18,472.82-25,492.61-10,515.53

Finding the Fourth Proportional to 18,472.82, 25,492.61 and 10,515.53

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Solution

The fourth proportional to 18,472.82, 25,492.61 and 10,515.53 is: 14,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.82 : 25,492.61 = 10,515.53 : x
  2. Step 2: Convert to fraction form
    18,472.82/25,492.61 = 10,515.53/x
  3. Step 3: Cross multiply
    18,472.82x = 25,492.61 × 10,515.53
  4. Step 4: Simplify right side
    18,472.82x = 268,068,395.25
  5. Step 5: Solve for x
    x = 268,068,395.25/18,472.82
  6. Step 6: Final answer
    x = 14,511.51

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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.