Home / 16,774.88-23,152.20-9,705.60

Finding the Fourth Proportional to 16,774.88, 23,152.20 and 9,705.60

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Solution

The fourth proportional to 16,774.88, 23,152.20 and 9,705.60 is: 13,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.88 : 23,152.20 = 9,705.60 : x
  2. Step 2: Convert to fraction form
    16,774.88/23,152.20 = 9,705.60/x
  3. Step 3: Cross multiply
    16,774.88x = 23,152.20 × 9,705.60
  4. Step 4: Simplify right side
    16,774.88x = 224,705,992.32
  5. Step 5: Solve for x
    x = 224,705,992.32/16,774.88
  6. Step 6: Final answer
    x = 13,395.39

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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.