Home / 19,038.14-28,563.06-8,517.02

Finding the Fourth Proportional to 19,038.14, 28,563.06 and 8,517.02

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Solution

The fourth proportional to 19,038.14, 28,563.06 and 8,517.02 is: 12,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.14 : 28,563.06 = 8,517.02 : x
  2. Step 2: Convert to fraction form
    19,038.14/28,563.06 = 8,517.02/x
  3. Step 3: Cross multiply
    19,038.14x = 28,563.06 × 8,517.02
  4. Step 4: Simplify right side
    19,038.14x = 243,272,131.21
  5. Step 5: Solve for x
    x = 243,272,131.21/19,038.14
  6. Step 6: Final answer
    x = 12,778.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.