Home / 25,718.53-35,507.06-16,781.53

Finding the Fourth Proportional to 25,718.53, 35,507.06 and 16,781.53

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Solution

The fourth proportional to 25,718.53, 35,507.06 and 16,781.53 is: 23,168.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.53 : 35,507.06 = 16,781.53 : x
  2. Step 2: Convert to fraction form
    25,718.53/35,507.06 = 16,781.53/x
  3. Step 3: Cross multiply
    25,718.53x = 35,507.06 × 16,781.53
  4. Step 4: Simplify right side
    25,718.53x = 595,862,792.60
  5. Step 5: Solve for x
    x = 595,862,792.60/25,718.53
  6. Step 6: Final answer
    x = 23,168.62

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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.