Home / 23,085.21-31,855.28-14,135.25

Finding the Fourth Proportional to 23,085.21, 31,855.28 and 14,135.25

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Solution

The fourth proportional to 23,085.21, 31,855.28 and 14,135.25 is: 19,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.21 : 31,855.28 = 14,135.25 : x
  2. Step 2: Convert to fraction form
    23,085.21/31,855.28 = 14,135.25/x
  3. Step 3: Cross multiply
    23,085.21x = 31,855.28 × 14,135.25
  4. Step 4: Simplify right side
    23,085.21x = 450,282,187.34
  5. Step 5: Solve for x
    x = 450,282,187.34/23,085.21
  6. Step 6: Final answer
    x = 19,505.23

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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.