Home / 13,624.14-18,803.16-8,320.26

Finding the Fourth Proportional to 13,624.14, 18,803.16 and 8,320.26

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Solution

The fourth proportional to 13,624.14, 18,803.16 and 8,320.26 is: 11,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.14 : 18,803.16 = 8,320.26 : x
  2. Step 2: Convert to fraction form
    13,624.14/18,803.16 = 8,320.26/x
  3. Step 3: Cross multiply
    13,624.14x = 18,803.16 × 8,320.26
  4. Step 4: Simplify right side
    13,624.14x = 156,447,180.02
  5. Step 5: Solve for x
    x = 156,447,180.02/13,624.14
  6. Step 6: Final answer
    x = 11,483.09

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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.