Home / 13,792.89-20,699.73-10,104.57

Finding the Fourth Proportional to 13,792.89, 20,699.73 and 10,104.57

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Solution

The fourth proportional to 13,792.89, 20,699.73 and 10,104.57 is: 15,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.89 : 20,699.73 = 10,104.57 : x
  2. Step 2: Convert to fraction form
    13,792.89/20,699.73 = 10,104.57/x
  3. Step 3: Cross multiply
    13,792.89x = 20,699.73 × 10,104.57
  4. Step 4: Simplify right side
    13,792.89x = 209,161,870.77
  5. Step 5: Solve for x
    x = 209,161,870.77/13,792.89
  6. Step 6: Final answer
    x = 15,164.47

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1.5x scale

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.