Home / 19,422.32-26,791.98-13,457.48

Finding the Fourth Proportional to 19,422.32, 26,791.98 and 13,457.48

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Solution

The fourth proportional to 19,422.32, 26,791.98 and 13,457.48 is: 18,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.32 : 26,791.98 = 13,457.48 : x
  2. Step 2: Convert to fraction form
    19,422.32/26,791.98 = 13,457.48/x
  3. Step 3: Cross multiply
    19,422.32x = 26,791.98 × 13,457.48
  4. Step 4: Simplify right side
    19,422.32x = 360,552,535.01
  5. Step 5: Solve for x
    x = 360,552,535.01/19,422.32
  6. Step 6: Final answer
    x = 18,563.82

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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.