Home / 15,053.06-20,773.40-8,247.26

Finding the Fourth Proportional to 15,053.06, 20,773.40 and 8,247.26

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Solution

The fourth proportional to 15,053.06, 20,773.40 and 8,247.26 is: 11,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.06 : 20,773.40 = 8,247.26 : x
  2. Step 2: Convert to fraction form
    15,053.06/20,773.40 = 8,247.26/x
  3. Step 3: Cross multiply
    15,053.06x = 20,773.40 × 8,247.26
  4. Step 4: Simplify right side
    15,053.06x = 171,323,641.58
  5. Step 5: Solve for x
    x = 171,323,641.58/15,053.06
  6. Step 6: Final answer
    x = 11,381.31

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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.