Home / 14,745.51-20,349.77-8,372.23

Finding the Fourth Proportional to 14,745.51, 20,349.77 and 8,372.23

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Solution

The fourth proportional to 14,745.51, 20,349.77 and 8,372.23 is: 11,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.51 : 20,349.77 = 8,372.23 : x
  2. Step 2: Convert to fraction form
    14,745.51/20,349.77 = 8,372.23/x
  3. Step 3: Cross multiply
    14,745.51x = 20,349.77 × 8,372.23
  4. Step 4: Simplify right side
    14,745.51x = 170,372,862.15
  5. Step 5: Solve for x
    x = 170,372,862.15/14,745.51
  6. Step 6: Final answer
    x = 11,554.22

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Double scale
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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.