Home / 15,631.58-23,443.73-7,317.34

Finding the Fourth Proportional to 15,631.58, 23,443.73 and 7,317.34

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Solution

The fourth proportional to 15,631.58, 23,443.73 and 7,317.34 is: 10,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.58 : 23,443.73 = 7,317.34 : x
  2. Step 2: Convert to fraction form
    15,631.58/23,443.73 = 7,317.34/x
  3. Step 3: Cross multiply
    15,631.58x = 23,443.73 × 7,317.34
  4. Step 4: Simplify right side
    15,631.58x = 171,545,675.52
  5. Step 5: Solve for x
    x = 171,545,675.52/15,631.58
  6. Step 6: Final answer
    x = 10,974.30

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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.