Home / 19,302.88-26,654.60-12,144.73

Finding the Fourth Proportional to 19,302.88, 26,654.60 and 12,144.73

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Solution

The fourth proportional to 19,302.88, 26,654.60 and 12,144.73 is: 16,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.88 : 26,654.60 = 12,144.73 : x
  2. Step 2: Convert to fraction form
    19,302.88/26,654.60 = 12,144.73/x
  3. Step 3: Cross multiply
    19,302.88x = 26,654.60 × 12,144.73
  4. Step 4: Simplify right side
    19,302.88x = 323,712,920.26
  5. Step 5: Solve for x
    x = 323,712,920.26/19,302.88
  6. Step 6: Final answer
    x = 16,770.19

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Half scale
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Double scale
Find fourth proportional to 19,303.88, 26,655.98 and 12,145.73
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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.