Home / 18,866.25-26,009.41-15,050.84

Finding the Fourth Proportional to 18,866.25, 26,009.41 and 15,050.84

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Solution

The fourth proportional to 18,866.25, 26,009.41 and 15,050.84 is: 20,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.25 : 26,009.41 = 15,050.84 : x
  2. Step 2: Convert to fraction form
    18,866.25/26,009.41 = 15,050.84/x
  3. Step 3: Cross multiply
    18,866.25x = 26,009.41 × 15,050.84
  4. Step 4: Simplify right side
    18,866.25x = 391,463,468.40
  5. Step 5: Solve for x
    x = 391,463,468.40/18,866.25
  6. Step 6: Final answer
    x = 20,749.41

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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.