Home / 26,151.96-39,222.02-7,431.55

Finding the Fourth Proportional to 26,151.96, 39,222.02 and 7,431.55

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Solution

The fourth proportional to 26,151.96, 39,222.02 and 7,431.55 is: 11,145.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,151.96 : 39,222.02 = 7,431.55 : x
  2. Step 2: Convert to fraction form
    26,151.96/39,222.02 = 7,431.55/x
  3. Step 3: Cross multiply
    26,151.96x = 39,222.02 × 7,431.55
  4. Step 4: Simplify right side
    26,151.96x = 291,480,323.25
  5. Step 5: Solve for x
    x = 291,480,323.25/26,151.96
  6. Step 6: Final answer
    x = 11,145.64

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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.