Home / 18,875.25-26,047.89-10,493.37

Finding the Fourth Proportional to 18,875.25, 26,047.89 and 10,493.37

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Solution

The fourth proportional to 18,875.25, 26,047.89 and 10,493.37 is: 14,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.25 : 26,047.89 = 10,493.37 : x
  2. Step 2: Convert to fraction form
    18,875.25/26,047.89 = 10,493.37/x
  3. Step 3: Cross multiply
    18,875.25x = 26,047.89 × 10,493.37
  4. Step 4: Simplify right side
    18,875.25x = 273,330,147.49
  5. Step 5: Solve for x
    x = 273,330,147.49/18,875.25
  6. Step 6: Final answer
    x = 14,480.88

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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.