Home / 14,029.44-19,360.56-7,742.20

Finding the Fourth Proportional to 14,029.44, 19,360.56 and 7,742.20

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Solution

The fourth proportional to 14,029.44, 19,360.56 and 7,742.20 is: 10,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.44 : 19,360.56 = 7,742.20 : x
  2. Step 2: Convert to fraction form
    14,029.44/19,360.56 = 7,742.20/x
  3. Step 3: Cross multiply
    14,029.44x = 19,360.56 × 7,742.20
  4. Step 4: Simplify right side
    14,029.44x = 149,893,327.63
  5. Step 5: Solve for x
    x = 149,893,327.63/14,029.44
  6. Step 6: Final answer
    x = 10,684.20

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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.