Home / 19,093.32-28,426.14-19,000.98

Finding the Fourth Proportional to 19,093.32, 28,426.14 and 19,000.98

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Solution

The fourth proportional to 19,093.32, 28,426.14 and 19,000.98 is: 28,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.32 : 28,426.14 = 19,000.98 : x
  2. Step 2: Convert to fraction form
    19,093.32/28,426.14 = 19,000.98/x
  3. Step 3: Cross multiply
    19,093.32x = 28,426.14 × 19,000.98
  4. Step 4: Simplify right side
    19,093.32x = 540,124,517.62
  5. Step 5: Solve for x
    x = 540,124,517.62/19,093.32
  6. Step 6: Final answer
    x = 28,288.66

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.