Home / 14,043.30-19,383.48-8,075.64

Finding the Fourth Proportional to 14,043.30, 19,383.48 and 8,075.64

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Solution

The fourth proportional to 14,043.30, 19,383.48 and 8,075.64 is: 11,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.30 : 19,383.48 = 8,075.64 : x
  2. Step 2: Convert to fraction form
    14,043.30/19,383.48 = 8,075.64/x
  3. Step 3: Cross multiply
    14,043.30x = 19,383.48 × 8,075.64
  4. Step 4: Simplify right side
    14,043.30x = 156,534,006.43
  5. Step 5: Solve for x
    x = 156,534,006.43/14,043.30
  6. Step 6: Final answer
    x = 11,146.53

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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.