Home / 13,723.25-18,948.75-10,531.49

Finding the Fourth Proportional to 13,723.25, 18,948.75 and 10,531.49

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Solution

The fourth proportional to 13,723.25, 18,948.75 and 10,531.49 is: 14,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.25 : 18,948.75 = 10,531.49 : x
  2. Step 2: Convert to fraction form
    13,723.25/18,948.75 = 10,531.49/x
  3. Step 3: Cross multiply
    13,723.25x = 18,948.75 × 10,531.49
  4. Step 4: Simplify right side
    13,723.25x = 199,558,571.14
  5. Step 5: Solve for x
    x = 199,558,571.14/13,723.25
  6. Step 6: Final answer
    x = 14,541.64

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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.