Home / 25,503.40-35,194.21-14,172.81

Finding the Fourth Proportional to 25,503.40, 35,194.21 and 14,172.81

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Solution

The fourth proportional to 25,503.40, 35,194.21 and 14,172.81 is: 19,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.40 : 35,194.21 = 14,172.81 : x
  2. Step 2: Convert to fraction form
    25,503.40/35,194.21 = 14,172.81/x
  3. Step 3: Cross multiply
    25,503.40x = 35,194.21 × 14,172.81
  4. Step 4: Simplify right side
    25,503.40x = 498,800,851.43
  5. Step 5: Solve for x
    x = 498,800,851.43/25,503.40
  6. Step 6: Final answer
    x = 19,558.21

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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.