Home / 25,382.25-35,022.54-15,945.34

Finding the Fourth Proportional to 25,382.25, 35,022.54 and 15,945.34

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Solution

The fourth proportional to 25,382.25, 35,022.54 and 15,945.34 is: 22,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.25 : 35,022.54 = 15,945.34 : x
  2. Step 2: Convert to fraction form
    25,382.25/35,022.54 = 15,945.34/x
  3. Step 3: Cross multiply
    25,382.25x = 35,022.54 × 15,945.34
  4. Step 4: Simplify right side
    25,382.25x = 558,446,307.96
  5. Step 5: Solve for x
    x = 558,446,307.96/25,382.25
  6. Step 6: Final answer
    x = 22,001.45

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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.