Home / 25,628.51-35,366.54-15,025.20

Finding the Fourth Proportional to 25,628.51, 35,366.54 and 15,025.20

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Solution

The fourth proportional to 25,628.51, 35,366.54 and 15,025.20 is: 20,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.51 : 35,366.54 = 15,025.20 : x
  2. Step 2: Convert to fraction form
    25,628.51/35,366.54 = 15,025.20/x
  3. Step 3: Cross multiply
    25,628.51x = 35,366.54 × 15,025.20
  4. Step 4: Simplify right side
    25,628.51x = 531,389,261.68
  5. Step 5: Solve for x
    x = 531,389,261.68/25,628.51
  6. Step 6: Final answer
    x = 20,734.31

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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.