Home / 18,910.32-26,094.48-10,953.06

Finding the Fourth Proportional to 18,910.32, 26,094.48 and 10,953.06

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Solution

The fourth proportional to 18,910.32, 26,094.48 and 10,953.06 is: 15,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.32 : 26,094.48 = 10,953.06 : x
  2. Step 2: Convert to fraction form
    18,910.32/26,094.48 = 10,953.06/x
  3. Step 3: Cross multiply
    18,910.32x = 26,094.48 × 10,953.06
  4. Step 4: Simplify right side
    18,910.32x = 285,814,405.11
  5. Step 5: Solve for x
    x = 285,814,405.11/18,910.32
  6. Step 6: Final answer
    x = 15,114.20

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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.