Home / 18,491.85-25,512.52-10,528.44

Finding the Fourth Proportional to 18,491.85, 25,512.52 and 10,528.44

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Solution

The fourth proportional to 18,491.85, 25,512.52 and 10,528.44 is: 14,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491.85 : 25,512.52 = 10,528.44 : x
  2. Step 2: Convert to fraction form
    18,491.85/25,512.52 = 10,528.44/x
  3. Step 3: Cross multiply
    18,491.85x = 25,512.52 × 10,528.44
  4. Step 4: Simplify right side
    18,491.85x = 268,607,036.07
  5. Step 5: Solve for x
    x = 268,607,036.07/18,491.85
  6. Step 6: Final answer
    x = 14,525.70

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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.