Home / 13,416.45-20,118.13-4,054.66

Finding the Fourth Proportional to 13,416.45, 20,118.13 and 4,054.66

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Solution

The fourth proportional to 13,416.45, 20,118.13 and 4,054.66 is: 6,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.45 : 20,118.13 = 4,054.66 : x
  2. Step 2: Convert to fraction form
    13,416.45/20,118.13 = 4,054.66/x
  3. Step 3: Cross multiply
    13,416.45x = 20,118.13 × 4,054.66
  4. Step 4: Simplify right side
    13,416.45x = 81,572,176.99
  5. Step 5: Solve for x
    x = 81,572,176.99/13,416.45
  6. Step 6: Final answer
    x = 6,080.01

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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.