Home / 23,085.33-31,860.21-13,533.25

Finding the Fourth Proportional to 23,085.33, 31,860.21 and 13,533.25

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Solution

The fourth proportional to 23,085.33, 31,860.21 and 13,533.25 is: 18,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.33 : 31,860.21 = 13,533.25 : x
  2. Step 2: Convert to fraction form
    23,085.33/31,860.21 = 13,533.25/x
  3. Step 3: Cross multiply
    23,085.33x = 31,860.21 × 13,533.25
  4. Step 4: Simplify right side
    23,085.33x = 431,172,186.98
  5. Step 5: Solve for x
    x = 431,172,186.98/23,085.33
  6. Step 6: Final answer
    x = 18,677.32

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Half scale
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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.