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Finding the Fourth Proportional to 19,240, 26,551.61 and 10,626.14

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Solution

The fourth proportional to 19,240, 26,551.61 and 10,626.14 is: 14,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240 : 26,551.61 = 10,626.14 : x
  2. Step 2: Convert to fraction form
    19,240/26,551.61 = 10,626.14/x
  3. Step 3: Cross multiply
    19,240x = 26,551.61 × 10,626.14
  4. Step 4: Simplify right side
    19,240x = 282,141,125.09
  5. Step 5: Solve for x
    x = 282,141,125.09/19,240
  6. Step 6: Final answer
    x = 14,664.30

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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.