Home / 23,015.05-31,758.46-12,941.89

Finding the Fourth Proportional to 23,015.05, 31,758.46 and 12,941.89

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Solution

The fourth proportional to 23,015.05, 31,758.46 and 12,941.89 is: 17,858.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.05 : 31,758.46 = 12,941.89 : x
  2. Step 2: Convert to fraction form
    23,015.05/31,758.46 = 12,941.89/x
  3. Step 3: Cross multiply
    23,015.05x = 31,758.46 × 12,941.89
  4. Step 4: Simplify right side
    23,015.05x = 411,014,495.89
  5. Step 5: Solve for x
    x = 411,014,495.89/23,015.05
  6. Step 6: Final answer
    x = 17,858.51

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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.