Home / 13,114.51-19,688.26-10,514.43

Finding the Fourth Proportional to 13,114.51, 19,688.26 and 10,514.43

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Solution

The fourth proportional to 13,114.51, 19,688.26 and 10,514.43 is: 15,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.51 : 19,688.26 = 10,514.43 : x
  2. Step 2: Convert to fraction form
    13,114.51/19,688.26 = 10,514.43/x
  3. Step 3: Cross multiply
    13,114.51x = 19,688.26 × 10,514.43
  4. Step 4: Simplify right side
    13,114.51x = 207,010,831.59
  5. Step 5: Solve for x
    x = 207,010,831.59/13,114.51
  6. Step 6: Final answer
    x = 15,784.87

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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.