Home / 14,326.90-19,768.43-8,357.07

Finding the Fourth Proportional to 14,326.90, 19,768.43 and 8,357.07

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Solution

The fourth proportional to 14,326.90, 19,768.43 and 8,357.07 is: 11,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,326.90 : 19,768.43 = 8,357.07 : x
  2. Step 2: Convert to fraction form
    14,326.90/19,768.43 = 8,357.07/x
  3. Step 3: Cross multiply
    14,326.90x = 19,768.43 × 8,357.07
  4. Step 4: Simplify right side
    14,326.90x = 165,206,224.82
  5. Step 5: Solve for x
    x = 165,206,224.82/14,326.90
  6. Step 6: Final answer
    x = 11,531.19

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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.