Home / 53,383.89-80,075.85-13,940.66

Finding the Fourth Proportional to 53,383.89, 80,075.85 and 13,940.66

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Solution

The fourth proportional to 53,383.89, 80,075.85 and 13,940.66 is: 20,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383.89 : 80,075.85 = 13,940.66 : x
  2. Step 2: Convert to fraction form
    53,383.89/80,075.85 = 13,940.66/x
  3. Step 3: Cross multiply
    53,383.89x = 80,075.85 × 13,940.66
  4. Step 4: Simplify right side
    53,383.89x = 1,116,310,399.25
  5. Step 5: Solve for x
    x = 1,116,310,399.25/53,383.89
  6. Step 6: Final answer
    x = 20,911.00

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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.