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Finding the Fourth Proportional to 19,095, 26,351.28 and 10,711.68

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Solution

The fourth proportional to 19,095, 26,351.28 and 10,711.68 is: 14,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095 : 26,351.28 = 10,711.68 : x
  2. Step 2: Convert to fraction form
    19,095/26,351.28 = 10,711.68/x
  3. Step 3: Cross multiply
    19,095x = 26,351.28 × 10,711.68
  4. Step 4: Simplify right side
    19,095x = 282,266,478.95
  5. Step 5: Solve for x
    x = 282,266,478.95/19,095
  6. Step 6: Final answer
    x = 14,782.22

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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.