Home / 15,448.94-23,155.49-7,111.44

Finding the Fourth Proportional to 15,448.94, 23,155.49 and 7,111.44

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Solution

The fourth proportional to 15,448.94, 23,155.49 and 7,111.44 is: 10,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,448.94 : 23,155.49 = 7,111.44 : x
  2. Step 2: Convert to fraction form
    15,448.94/23,155.49 = 7,111.44/x
  3. Step 3: Cross multiply
    15,448.94x = 23,155.49 × 7,111.44
  4. Step 4: Simplify right side
    15,448.94x = 164,668,842.25
  5. Step 5: Solve for x
    x = 164,668,842.25/15,448.94
  6. Step 6: Final answer
    x = 10,658.91

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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.