Home / 13,873.14-19,140.33-7,822.62

Finding the Fourth Proportional to 13,873.14, 19,140.33 and 7,822.62

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Solution

The fourth proportional to 13,873.14, 19,140.33 and 7,822.62 is: 10,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.14 : 19,140.33 = 7,822.62 : x
  2. Step 2: Convert to fraction form
    13,873.14/19,140.33 = 7,822.62/x
  3. Step 3: Cross multiply
    13,873.14x = 19,140.33 × 7,822.62
  4. Step 4: Simplify right side
    13,873.14x = 149,727,528.26
  5. Step 5: Solve for x
    x = 149,727,528.26/13,873.14
  6. Step 6: Final answer
    x = 10,792.62

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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.