Home / 17,649.60-26,485.37-10,999.15

Finding the Fourth Proportional to 17,649.60, 26,485.37 and 10,999.15

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Solution

The fourth proportional to 17,649.60, 26,485.37 and 10,999.15 is: 16,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.60 : 26,485.37 = 10,999.15 : x
  2. Step 2: Convert to fraction form
    17,649.60/26,485.37 = 10,999.15/x
  3. Step 3: Cross multiply
    17,649.60x = 26,485.37 × 10,999.15
  4. Step 4: Simplify right side
    17,649.60x = 291,316,557.44
  5. Step 5: Solve for x
    x = 291,316,557.44/17,649.60
  6. Step 6: Final answer
    x = 16,505.56

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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.