Home / 18,906.05-26,090.94-10,292.81

Finding the Fourth Proportional to 18,906.05, 26,090.94 and 10,292.81

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Solution

The fourth proportional to 18,906.05, 26,090.94 and 10,292.81 is: 14,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.05 : 26,090.94 = 10,292.81 : x
  2. Step 2: Convert to fraction form
    18,906.05/26,090.94 = 10,292.81/x
  3. Step 3: Cross multiply
    18,906.05x = 26,090.94 × 10,292.81
  4. Step 4: Simplify right side
    18,906.05x = 268,549,019.51
  5. Step 5: Solve for x
    x = 268,549,019.51/18,906.05
  6. Step 6: Final answer
    x = 14,204.40

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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.