Home / 19,837.64-27,341.86-18,903.39

Finding the Fourth Proportional to 19,837.64, 27,341.86 and 18,903.39

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Solution

The fourth proportional to 19,837.64, 27,341.86 and 18,903.39 is: 26,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.64 : 27,341.86 = 18,903.39 : x
  2. Step 2: Convert to fraction form
    19,837.64/27,341.86 = 18,903.39/x
  3. Step 3: Cross multiply
    19,837.64x = 27,341.86 × 18,903.39
  4. Step 4: Simplify right side
    19,837.64x = 516,853,728.56
  5. Step 5: Solve for x
    x = 516,853,728.56/19,837.64
  6. Step 6: Final answer
    x = 26,054.19

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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.