Home / 14,296.56-19,728.66-8,328.21

Finding the Fourth Proportional to 14,296.56, 19,728.66 and 8,328.21

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Solution

The fourth proportional to 14,296.56, 19,728.66 and 8,328.21 is: 11,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,296.56 : 19,728.66 = 8,328.21 : x
  2. Step 2: Convert to fraction form
    14,296.56/19,728.66 = 8,328.21/x
  3. Step 3: Cross multiply
    14,296.56x = 19,728.66 × 8,328.21
  4. Step 4: Simplify right side
    14,296.56x = 164,304,423.50
  5. Step 5: Solve for x
    x = 164,304,423.50/14,296.56
  6. Step 6: Final answer
    x = 11,492.58

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Half scale
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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.