Home / 19,143.75-26,417.55-10,646.44

Finding the Fourth Proportional to 19,143.75, 26,417.55 and 10,646.44

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Solution

The fourth proportional to 19,143.75, 26,417.55 and 10,646.44 is: 14,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.75 : 26,417.55 = 10,646.44 : x
  2. Step 2: Convert to fraction form
    19,143.75/26,417.55 = 10,646.44/x
  3. Step 3: Cross multiply
    19,143.75x = 26,417.55 × 10,646.44
  4. Step 4: Simplify right side
    19,143.75x = 281,252,861.02
  5. Step 5: Solve for x
    x = 281,252,861.02/19,143.75
  6. Step 6: Final answer
    x = 14,691.63

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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.