Home / 14,735.25-20,334.65-8,111.25

Finding the Fourth Proportional to 14,735.25, 20,334.65 and 8,111.25

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Solution

The fourth proportional to 14,735.25, 20,334.65 and 8,111.25 is: 11,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.25 : 20,334.65 = 8,111.25 : x
  2. Step 2: Convert to fraction form
    14,735.25/20,334.65 = 8,111.25/x
  3. Step 3: Cross multiply
    14,735.25x = 20,334.65 × 8,111.25
  4. Step 4: Simplify right side
    14,735.25x = 164,939,389.26
  5. Step 5: Solve for x
    x = 164,939,389.26/14,735.25
  6. Step 6: Final answer
    x = 11,193.53

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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.