Home / 26,169.14-36,122.81-15,558.75

Finding the Fourth Proportional to 26,169.14, 36,122.81 and 15,558.75

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Solution

The fourth proportional to 26,169.14, 36,122.81 and 15,558.75 is: 21,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,169.14 : 36,122.81 = 15,558.75 : x
  2. Step 2: Convert to fraction form
    26,169.14/36,122.81 = 15,558.75/x
  3. Step 3: Cross multiply
    26,169.14x = 36,122.81 × 15,558.75
  4. Step 4: Simplify right side
    26,169.14x = 562,025,779.81
  5. Step 5: Solve for x
    x = 562,025,779.81/26,169.14
  6. Step 6: Final answer
    x = 21,476.66

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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.