Home / 14,385.02-19,851.36-8,011.56

Finding the Fourth Proportional to 14,385.02, 19,851.36 and 8,011.56

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Solution

The fourth proportional to 14,385.02, 19,851.36 and 8,011.56 is: 11,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.02 : 19,851.36 = 8,011.56 : x
  2. Step 2: Convert to fraction form
    14,385.02/19,851.36 = 8,011.56/x
  3. Step 3: Cross multiply
    14,385.02x = 19,851.36 × 8,011.56
  4. Step 4: Simplify right side
    14,385.02x = 159,040,361.72
  5. Step 5: Solve for x
    x = 159,040,361.72/14,385.02
  6. Step 6: Final answer
    x = 11,055.97

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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.