Home / 15,545-23,317.68-3,858.32

Finding the Fourth Proportional to 15,545, 23,317.68 and 3,858.32

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Solution

The fourth proportional to 15,545, 23,317.68 and 3,858.32 is: 5,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545 : 23,317.68 = 3,858.32 : x
  2. Step 2: Convert to fraction form
    15,545/23,317.68 = 3,858.32/x
  3. Step 3: Cross multiply
    15,545x = 23,317.68 × 3,858.32
  4. Step 4: Simplify right side
    15,545x = 89,967,071.10
  5. Step 5: Solve for x
    x = 89,967,071.10/15,545
  6. Step 6: Final answer
    x = 5,787.52

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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.