Home / 25,365.34-35,005.53-15,936.94

Finding the Fourth Proportional to 25,365.34, 35,005.53 and 15,936.94

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Solution

The fourth proportional to 25,365.34, 35,005.53 and 15,936.94 is: 21,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.34 : 35,005.53 = 15,936.94 : x
  2. Step 2: Convert to fraction form
    25,365.34/35,005.53 = 15,936.94/x
  3. Step 3: Cross multiply
    25,365.34x = 35,005.53 × 15,936.94
  4. Step 4: Simplify right side
    25,365.34x = 557,881,031.28
  5. Step 5: Solve for x
    x = 557,881,031.28/25,365.34
  6. Step 6: Final answer
    x = 21,993.83

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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.