Home / 25,620.07-35,355.61-14,289.58

Finding the Fourth Proportional to 25,620.07, 35,355.61 and 14,289.58

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Solution

The fourth proportional to 25,620.07, 35,355.61 and 14,289.58 is: 19,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.07 : 35,355.61 = 14,289.58 : x
  2. Step 2: Convert to fraction form
    25,620.07/35,355.61 = 14,289.58/x
  3. Step 3: Cross multiply
    25,620.07x = 35,355.61 × 14,289.58
  4. Step 4: Simplify right side
    25,620.07x = 505,216,817.54
  5. Step 5: Solve for x
    x = 505,216,817.54/25,620.07
  6. Step 6: Final answer
    x = 19,719.57

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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.