Home / 25,619.04-35,354.25-14,289.54

Finding the Fourth Proportional to 25,619.04, 35,354.25 and 14,289.54

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Solution

The fourth proportional to 25,619.04, 35,354.25 and 14,289.54 is: 19,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.04 : 35,354.25 = 14,289.54 : x
  2. Step 2: Convert to fraction form
    25,619.04/35,354.25 = 14,289.54/x
  3. Step 3: Cross multiply
    25,619.04x = 35,354.25 × 14,289.54
  4. Step 4: Simplify right side
    25,619.04x = 505,195,969.55
  5. Step 5: Solve for x
    x = 505,195,969.55/25,619.04
  6. Step 6: Final answer
    x = 19,719.55

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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.