Home / 15,388.88-23,085.54-4,855.32

Finding the Fourth Proportional to 15,388.88, 23,085.54 and 4,855.32

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Solution

The fourth proportional to 15,388.88, 23,085.54 and 4,855.32 is: 7,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.88 : 23,085.54 = 4,855.32 : x
  2. Step 2: Convert to fraction form
    15,388.88/23,085.54 = 4,855.32/x
  3. Step 3: Cross multiply
    15,388.88x = 23,085.54 × 4,855.32
  4. Step 4: Simplify right side
    15,388.88x = 112,087,684.07
  5. Step 5: Solve for x
    x = 112,087,684.07/15,388.88
  6. Step 6: Final answer
    x = 7,283.68

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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.