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Finding the Fourth Proportional to 19,225, 26,530.91 and 10,841.50

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Solution

The fourth proportional to 19,225, 26,530.91 and 10,841.50 is: 14,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225 : 26,530.91 = 10,841.50 : x
  2. Step 2: Convert to fraction form
    19,225/26,530.91 = 10,841.50/x
  3. Step 3: Cross multiply
    19,225x = 26,530.91 × 10,841.50
  4. Step 4: Simplify right side
    19,225x = 287,634,860.77
  5. Step 5: Solve for x
    x = 287,634,860.77/19,225
  6. Step 6: Final answer
    x = 14,961.50

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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.