Home / 25,619.64-35,353.86-14,290.32

Finding the Fourth Proportional to 25,619.64, 35,353.86 and 14,290.32

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Solution

The fourth proportional to 25,619.64, 35,353.86 and 14,290.32 is: 19,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.64 : 35,353.86 = 14,290.32 : x
  2. Step 2: Convert to fraction form
    25,619.64/35,353.86 = 14,290.32/x
  3. Step 3: Cross multiply
    25,619.64x = 35,353.86 × 14,290.32
  4. Step 4: Simplify right side
    25,619.64x = 505,217,972.64
  5. Step 5: Solve for x
    x = 505,217,972.64/25,619.64
  6. Step 6: Final answer
    x = 19,719.95

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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.