Home / 13,370.11-18,444.95-8,061.98

Finding the Fourth Proportional to 13,370.11, 18,444.95 and 8,061.98

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Solution

The fourth proportional to 13,370.11, 18,444.95 and 8,061.98 is: 11,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.11 : 18,444.95 = 8,061.98 : x
  2. Step 2: Convert to fraction form
    13,370.11/18,444.95 = 8,061.98/x
  3. Step 3: Cross multiply
    13,370.11x = 18,444.95 × 8,061.98
  4. Step 4: Simplify right side
    13,370.11x = 148,702,761.05
  5. Step 5: Solve for x
    x = 148,702,761.05/13,370.11
  6. Step 6: Final answer
    x = 11,122.03

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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.