Home / 14,291.12-21,443.52-5,523.68

Finding the Fourth Proportional to 14,291.12, 21,443.52 and 5,523.68

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Solution

The fourth proportional to 14,291.12, 21,443.52 and 5,523.68 is: 8,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.12 : 21,443.52 = 5,523.68 : x
  2. Step 2: Convert to fraction form
    14,291.12/21,443.52 = 5,523.68/x
  3. Step 3: Cross multiply
    14,291.12x = 21,443.52 × 5,523.68
  4. Step 4: Simplify right side
    14,291.12x = 118,447,142.55
  5. Step 5: Solve for x
    x = 118,447,142.55/14,291.12
  6. Step 6: Final answer
    x = 8,288.16

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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.