Home / 13,112.22-18,079.19-10,713.35

Finding the Fourth Proportional to 13,112.22, 18,079.19 and 10,713.35

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Solution

The fourth proportional to 13,112.22, 18,079.19 and 10,713.35 is: 14,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.22 : 18,079.19 = 10,713.35 : x
  2. Step 2: Convert to fraction form
    13,112.22/18,079.19 = 10,713.35/x
  3. Step 3: Cross multiply
    13,112.22x = 18,079.19 × 10,713.35
  4. Step 4: Simplify right side
    13,112.22x = 193,688,690.19
  5. Step 5: Solve for x
    x = 193,688,690.19/13,112.22
  6. Step 6: Final answer
    x = 14,771.62

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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.