Home / 15,644.01-23,465.75-5,255.76

Finding the Fourth Proportional to 15,644.01, 23,465.75 and 5,255.76

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Solution

The fourth proportional to 15,644.01, 23,465.75 and 5,255.76 is: 7,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.01 : 23,465.75 = 5,255.76 : x
  2. Step 2: Convert to fraction form
    15,644.01/23,465.75 = 5,255.76/x
  3. Step 3: Cross multiply
    15,644.01x = 23,465.75 × 5,255.76
  4. Step 4: Simplify right side
    15,644.01x = 123,330,323.94
  5. Step 5: Solve for x
    x = 123,330,323.94/15,644.01
  6. Step 6: Final answer
    x = 7,883.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.