Home / 13,326.32-19,987.43-4,559.22

Finding the Fourth Proportional to 13,326.32, 19,987.43 and 4,559.22

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Solution

The fourth proportional to 13,326.32, 19,987.43 and 4,559.22 is: 6,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.32 : 19,987.43 = 4,559.22 : x
  2. Step 2: Convert to fraction form
    13,326.32/19,987.43 = 4,559.22/x
  3. Step 3: Cross multiply
    13,326.32x = 19,987.43 × 4,559.22
  4. Step 4: Simplify right side
    13,326.32x = 91,127,067.81
  5. Step 5: Solve for x
    x = 91,127,067.81/13,326.32
  6. Step 6: Final answer
    x = 6,838.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.