Home / 17,302.98-23,878.11-9,345.21

Finding the Fourth Proportional to 17,302.98, 23,878.11 and 9,345.21

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Solution

The fourth proportional to 17,302.98, 23,878.11 and 9,345.21 is: 12,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.98 : 23,878.11 = 9,345.21 : x
  2. Step 2: Convert to fraction form
    17,302.98/23,878.11 = 9,345.21/x
  3. Step 3: Cross multiply
    17,302.98x = 23,878.11 × 9,345.21
  4. Step 4: Simplify right side
    17,302.98x = 223,145,952.35
  5. Step 5: Solve for x
    x = 223,145,952.35/17,302.98
  6. Step 6: Final answer
    x = 12,896.39

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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.