Home / 13,063.95-19,609.76-8,137.05

Finding the Fourth Proportional to 13,063.95, 19,609.76 and 8,137.05

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Solution

The fourth proportional to 13,063.95, 19,609.76 and 8,137.05 is: 12,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.95 : 19,609.76 = 8,137.05 : x
  2. Step 2: Convert to fraction form
    13,063.95/19,609.76 = 8,137.05/x
  3. Step 3: Cross multiply
    13,063.95x = 19,609.76 × 8,137.05
  4. Step 4: Simplify right side
    13,063.95x = 159,565,597.61
  5. Step 5: Solve for x
    x = 159,565,597.61/13,063.95
  6. Step 6: Final answer
    x = 12,214.19

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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.