Home / 14,040.25-19,378.02-8,375.35

Finding the Fourth Proportional to 14,040.25, 19,378.02 and 8,375.35

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Solution

The fourth proportional to 14,040.25, 19,378.02 and 8,375.35 is: 11,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.25 : 19,378.02 = 8,375.35 : x
  2. Step 2: Convert to fraction form
    14,040.25/19,378.02 = 8,375.35/x
  3. Step 3: Cross multiply
    14,040.25x = 19,378.02 × 8,375.35
  4. Step 4: Simplify right side
    14,040.25x = 162,297,699.81
  5. Step 5: Solve for x
    x = 162,297,699.81/14,040.25
  6. Step 6: Final answer
    x = 11,559.46

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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.