Home / 13,314.56-19,882.65-12,396.02

Finding the Fourth Proportional to 13,314.56, 19,882.65 and 12,396.02

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Solution

The fourth proportional to 13,314.56, 19,882.65 and 12,396.02 is: 18,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.56 : 19,882.65 = 12,396.02 : x
  2. Step 2: Convert to fraction form
    13,314.56/19,882.65 = 12,396.02/x
  3. Step 3: Cross multiply
    13,314.56x = 19,882.65 × 12,396.02
  4. Step 4: Simplify right side
    13,314.56x = 246,465,674.12
  5. Step 5: Solve for x
    x = 246,465,674.12/13,314.56
  6. Step 6: Final answer
    x = 18,511.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.