Home / 14,405.24-21,589.59-6,499.28

Finding the Fourth Proportional to 14,405.24, 21,589.59 and 6,499.28

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Solution

The fourth proportional to 14,405.24, 21,589.59 and 6,499.28 is: 9,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.24 : 21,589.59 = 6,499.28 : x
  2. Step 2: Convert to fraction form
    14,405.24/21,589.59 = 6,499.28/x
  3. Step 3: Cross multiply
    14,405.24x = 21,589.59 × 6,499.28
  4. Step 4: Simplify right side
    14,405.24x = 140,316,790.50
  5. Step 5: Solve for x
    x = 140,316,790.50/14,405.24
  6. Step 6: Final answer
    x = 9,740.68

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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.