Home / 27,698.66-38,232.33-19,317.86

Finding the Fourth Proportional to 27,698.66, 38,232.33 and 19,317.86

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Solution

The fourth proportional to 27,698.66, 38,232.33 and 19,317.86 is: 26,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,698.66 : 38,232.33 = 19,317.86 : x
  2. Step 2: Convert to fraction form
    27,698.66/38,232.33 = 19,317.86/x
  3. Step 3: Cross multiply
    27,698.66x = 38,232.33 × 19,317.86
  4. Step 4: Simplify right side
    27,698.66x = 738,566,798.41
  5. Step 5: Solve for x
    x = 738,566,798.41/27,698.66
  6. Step 6: Final answer
    x = 26,664.35

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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.