Home / 25,735.60-35,515.44-14,405.80

Finding the Fourth Proportional to 25,735.60, 35,515.44 and 14,405.80

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Solution

The fourth proportional to 25,735.60, 35,515.44 and 14,405.80 is: 19,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735.60 : 35,515.44 = 14,405.80 : x
  2. Step 2: Convert to fraction form
    25,735.60/35,515.44 = 14,405.80/x
  3. Step 3: Cross multiply
    25,735.60x = 35,515.44 × 14,405.80
  4. Step 4: Simplify right side
    25,735.60x = 511,628,325.55
  5. Step 5: Solve for x
    x = 511,628,325.55/25,735.60
  6. Step 6: Final answer
    x = 19,880.18

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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.