Home / 15,942.81-23,887.94-9,260.55

Finding the Fourth Proportional to 15,942.81, 23,887.94 and 9,260.55

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Solution

The fourth proportional to 15,942.81, 23,887.94 and 9,260.55 is: 13,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.81 : 23,887.94 = 9,260.55 : x
  2. Step 2: Convert to fraction form
    15,942.81/23,887.94 = 9,260.55/x
  3. Step 3: Cross multiply
    15,942.81x = 23,887.94 × 9,260.55
  4. Step 4: Simplify right side
    15,942.81x = 221,215,462.77
  5. Step 5: Solve for x
    x = 221,215,462.77/15,942.81
  6. Step 6: Final answer
    x = 13,875.56

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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.