Home / 25,366.64-35,004.80-13,881.36

Finding the Fourth Proportional to 25,366.64, 35,004.80 and 13,881.36

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Solution

The fourth proportional to 25,366.64, 35,004.80 and 13,881.36 is: 19,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.64 : 35,004.80 = 13,881.36 : x
  2. Step 2: Convert to fraction form
    25,366.64/35,004.80 = 13,881.36/x
  3. Step 3: Cross multiply
    25,366.64x = 35,004.80 × 13,881.36
  4. Step 4: Simplify right side
    25,366.64x = 485,914,230.53
  5. Step 5: Solve for x
    x = 485,914,230.53/25,366.64
  6. Step 6: Final answer
    x = 19,155.64

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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.