Home / 25,619.94-35,355.44-14,289.45

Finding the Fourth Proportional to 25,619.94, 35,355.44 and 14,289.45

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Solution

The fourth proportional to 25,619.94, 35,355.44 and 14,289.45 is: 19,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.94 : 35,355.44 = 14,289.45 : x
  2. Step 2: Convert to fraction form
    25,619.94/35,355.44 = 14,289.45/x
  3. Step 3: Cross multiply
    25,619.94x = 35,355.44 × 14,289.45
  4. Step 4: Simplify right side
    25,619.94x = 505,209,720.66
  5. Step 5: Solve for x
    x = 505,209,720.66/25,619.94
  6. Step 6: Final answer
    x = 19,719.40

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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.