Home / 13,294.22-19,941.36-12,482.30

Finding the Fourth Proportional to 13,294.22, 19,941.36 and 12,482.30

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Solution

The fourth proportional to 13,294.22, 19,941.36 and 12,482.30 is: 18,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.22 : 19,941.36 = 12,482.30 : x
  2. Step 2: Convert to fraction form
    13,294.22/19,941.36 = 12,482.30/x
  3. Step 3: Cross multiply
    13,294.22x = 19,941.36 × 12,482.30
  4. Step 4: Simplify right side
    13,294.22x = 248,914,037.93
  5. Step 5: Solve for x
    x = 248,914,037.93/13,294.22
  6. Step 6: Final answer
    x = 18,723.48

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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.