Home / 15,840.68-23,750.94-7,515.56

Finding the Fourth Proportional to 15,840.68, 23,750.94 and 7,515.56

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Solution

The fourth proportional to 15,840.68, 23,750.94 and 7,515.56 is: 11,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.68 : 23,750.94 = 7,515.56 : x
  2. Step 2: Convert to fraction form
    15,840.68/23,750.94 = 7,515.56/x
  3. Step 3: Cross multiply
    15,840.68x = 23,750.94 × 7,515.56
  4. Step 4: Simplify right side
    15,840.68x = 178,501,614.63
  5. Step 5: Solve for x
    x = 178,501,614.63/15,840.68
  6. Step 6: Final answer
    x = 11,268.56

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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.