Home / 25,383.75-35,036.46-15,312.48

Finding the Fourth Proportional to 25,383.75, 35,036.46 and 15,312.48

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Solution

The fourth proportional to 25,383.75, 35,036.46 and 15,312.48 is: 21,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.75 : 35,036.46 = 15,312.48 : x
  2. Step 2: Convert to fraction form
    25,383.75/35,036.46 = 15,312.48/x
  3. Step 3: Cross multiply
    25,383.75x = 35,036.46 × 15,312.48
  4. Step 4: Simplify right side
    25,383.75x = 536,495,093.02
  5. Step 5: Solve for x
    x = 536,495,093.02/25,383.75
  6. Step 6: Final answer
    x = 21,135.38

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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.