Home / 15,489.23-23,234.73-4,395.05

Finding the Fourth Proportional to 15,489.23, 23,234.73 and 4,395.05

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Solution

The fourth proportional to 15,489.23, 23,234.73 and 4,395.05 is: 6,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.23 : 23,234.73 = 4,395.05 : x
  2. Step 2: Convert to fraction form
    15,489.23/23,234.73 = 4,395.05/x
  3. Step 3: Cross multiply
    15,489.23x = 23,234.73 × 4,395.05
  4. Step 4: Simplify right side
    15,489.23x = 102,117,683.91
  5. Step 5: Solve for x
    x = 102,117,683.91/15,489.23
  6. Step 6: Final answer
    x = 6,592.82

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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.