Home / 25,801.70-35,609.64-15,192.32

Finding the Fourth Proportional to 25,801.70, 35,609.64 and 15,192.32

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Solution

The fourth proportional to 25,801.70, 35,609.64 and 15,192.32 is: 20,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.70 : 35,609.64 = 15,192.32 : x
  2. Step 2: Convert to fraction form
    25,801.70/35,609.64 = 15,192.32/x
  3. Step 3: Cross multiply
    25,801.70x = 35,609.64 × 15,192.32
  4. Step 4: Simplify right side
    25,801.70x = 540,993,045.96
  5. Step 5: Solve for x
    x = 540,993,045.96/25,801.70
  6. Step 6: Final answer
    x = 20,967.34

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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.