Home / 13,975.48-19,284.02-8,310.11

Finding the Fourth Proportional to 13,975.48, 19,284.02 and 8,310.11

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Solution

The fourth proportional to 13,975.48, 19,284.02 and 8,310.11 is: 11,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.48 : 19,284.02 = 8,310.11 : x
  2. Step 2: Convert to fraction form
    13,975.48/19,284.02 = 8,310.11/x
  3. Step 3: Cross multiply
    13,975.48x = 19,284.02 × 8,310.11
  4. Step 4: Simplify right side
    13,975.48x = 160,252,327.44
  5. Step 5: Solve for x
    x = 160,252,327.44/13,975.48
  6. Step 6: Final answer
    x = 11,466.68

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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.