Home / 14,725.48-20,325.54-8,442.04

Finding the Fourth Proportional to 14,725.48, 20,325.54 and 8,442.04

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Solution

The fourth proportional to 14,725.48, 20,325.54 and 8,442.04 is: 11,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.48 : 20,325.54 = 8,442.04 : x
  2. Step 2: Convert to fraction form
    14,725.48/20,325.54 = 8,442.04/x
  3. Step 3: Cross multiply
    14,725.48x = 20,325.54 × 8,442.04
  4. Step 4: Simplify right side
    14,725.48x = 171,589,021.70
  5. Step 5: Solve for x
    x = 171,589,021.70/14,725.48
  6. Step 6: Final answer
    x = 11,652.52

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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.