Home / 19,513.51-29,237.15-13,938.48

Finding the Fourth Proportional to 19,513.51, 29,237.15 and 13,938.48

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Solution

The fourth proportional to 19,513.51, 29,237.15 and 13,938.48 is: 20,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.51 : 29,237.15 = 13,938.48 : x
  2. Step 2: Convert to fraction form
    19,513.51/29,237.15 = 13,938.48/x
  3. Step 3: Cross multiply
    19,513.51x = 29,237.15 × 13,938.48
  4. Step 4: Simplify right side
    19,513.51x = 407,521,465.38
  5. Step 5: Solve for x
    x = 407,521,465.38/19,513.51
  6. Step 6: Final answer
    x = 20,884.07

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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.