Home / 13,457.62-18,569.97-7,792.48

Finding the Fourth Proportional to 13,457.62, 18,569.97 and 7,792.48

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Solution

The fourth proportional to 13,457.62, 18,569.97 and 7,792.48 is: 10,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.62 : 18,569.97 = 7,792.48 : x
  2. Step 2: Convert to fraction form
    13,457.62/18,569.97 = 7,792.48/x
  3. Step 3: Cross multiply
    13,457.62x = 18,569.97 × 7,792.48
  4. Step 4: Simplify right side
    13,457.62x = 144,706,119.83
  5. Step 5: Solve for x
    x = 144,706,119.83/13,457.62
  6. Step 6: Final answer
    x = 10,752.73

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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.