Home / 14,015.25-19,341.05-8,426.25

Finding the Fourth Proportional to 14,015.25, 19,341.05 and 8,426.25

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Solution

The fourth proportional to 14,015.25, 19,341.05 and 8,426.25 is: 11,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.25 : 19,341.05 = 8,426.25 : x
  2. Step 2: Convert to fraction form
    14,015.25/19,341.05 = 8,426.25/x
  3. Step 3: Cross multiply
    14,015.25x = 19,341.05 × 8,426.25
  4. Step 4: Simplify right side
    14,015.25x = 162,972,480.43
  5. Step 5: Solve for x
    x = 162,972,480.43/14,015.25
  6. Step 6: Final answer
    x = 11,628.23

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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.