Home / 14,216.25-19,618.01-8,247.51

Finding the Fourth Proportional to 14,216.25, 19,618.01 and 8,247.51

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Solution

The fourth proportional to 14,216.25, 19,618.01 and 8,247.51 is: 11,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.25 : 19,618.01 = 8,247.51 : x
  2. Step 2: Convert to fraction form
    14,216.25/19,618.01 = 8,247.51/x
  3. Step 3: Cross multiply
    14,216.25x = 19,618.01 × 8,247.51
  4. Step 4: Simplify right side
    14,216.25x = 161,799,692.42
  5. Step 5: Solve for x
    x = 161,799,692.42/14,216.25
  6. Step 6: Final answer
    x = 11,381.32

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Double 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.