Home / 13,268.76-19,865.70-7,014.60

Finding the Fourth Proportional to 13,268.76, 19,865.70 and 7,014.60

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Solution

The fourth proportional to 13,268.76, 19,865.70 and 7,014.60 is: 10,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.76 : 19,865.70 = 7,014.60 : x
  2. Step 2: Convert to fraction form
    13,268.76/19,865.70 = 7,014.60/x
  3. Step 3: Cross multiply
    13,268.76x = 19,865.70 × 7,014.60
  4. Step 4: Simplify right side
    13,268.76x = 139,349,939.22
  5. Step 5: Solve for x
    x = 139,349,939.22/13,268.76
  6. Step 6: Final answer
    x = 10,502.11

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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.