Home / 13,886.48-19,163.25-7,513.05

Finding the Fourth Proportional to 13,886.48, 19,163.25 and 7,513.05

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Solution

The fourth proportional to 13,886.48, 19,163.25 and 7,513.05 is: 10,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.48 : 19,163.25 = 7,513.05 : x
  2. Step 2: Convert to fraction form
    13,886.48/19,163.25 = 7,513.05/x
  3. Step 3: Cross multiply
    13,886.48x = 19,163.25 × 7,513.05
  4. Step 4: Simplify right side
    13,886.48x = 143,974,455.41
  5. Step 5: Solve for x
    x = 143,974,455.41/13,886.48
  6. Step 6: Final answer
    x = 10,367.96

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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.