Home / 25,410.56-35,084.07-19,431.81

Finding the Fourth Proportional to 25,410.56, 35,084.07 and 19,431.81

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Solution

The fourth proportional to 25,410.56, 35,084.07 and 19,431.81 is: 26,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.56 : 35,084.07 = 19,431.81 : x
  2. Step 2: Convert to fraction form
    25,410.56/35,084.07 = 19,431.81/x
  3. Step 3: Cross multiply
    25,410.56x = 35,084.07 × 19,431.81
  4. Step 4: Simplify right side
    25,410.56x = 681,746,982.27
  5. Step 5: Solve for x
    x = 681,746,982.27/25,410.56
  6. Step 6: Final answer
    x = 26,829.28

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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.