Home / 14,285.56-19,714.98-7,998.28

Finding the Fourth Proportional to 14,285.56, 19,714.98 and 7,998.28

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Solution

The fourth proportional to 14,285.56, 19,714.98 and 7,998.28 is: 11,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.56 : 19,714.98 = 7,998.28 : x
  2. Step 2: Convert to fraction form
    14,285.56/19,714.98 = 7,998.28/x
  3. Step 3: Cross multiply
    14,285.56x = 19,714.98 × 7,998.28
  4. Step 4: Simplify right side
    14,285.56x = 157,685,930.23
  5. Step 5: Solve for x
    x = 157,685,930.23/14,285.56
  6. Step 6: Final answer
    x = 11,038.13

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Half scale
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Double scale
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Similar ratio
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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.