Home / 18,946.26-26,146.17-10,449.36

Finding the Fourth Proportional to 18,946.26, 26,146.17 and 10,449.36

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Solution

The fourth proportional to 18,946.26, 26,146.17 and 10,449.36 is: 14,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.26 : 26,146.17 = 10,449.36 : x
  2. Step 2: Convert to fraction form
    18,946.26/26,146.17 = 10,449.36/x
  3. Step 3: Cross multiply
    18,946.26x = 26,146.17 × 10,449.36
  4. Step 4: Simplify right side
    18,946.26x = 273,210,742.95
  5. Step 5: Solve for x
    x = 273,210,742.95/18,946.26
  6. Step 6: Final answer
    x = 14,420.30

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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.