Home / 21,192.04-29,246.34-12,241.18

Finding the Fourth Proportional to 21,192.04, 29,246.34 and 12,241.18

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Solution

The fourth proportional to 21,192.04, 29,246.34 and 12,241.18 is: 16,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.04 : 29,246.34 = 12,241.18 : x
  2. Step 2: Convert to fraction form
    21,192.04/29,246.34 = 12,241.18/x
  3. Step 3: Cross multiply
    21,192.04x = 29,246.34 × 12,241.18
  4. Step 4: Simplify right side
    21,192.04x = 358,009,712.28
  5. Step 5: Solve for x
    x = 358,009,712.28/21,192.04
  6. Step 6: Final answer
    x = 16,893.59

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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.