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Finding the Fourth Proportional to 19,246.68, 26,561.16 and 10,863

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Solution

The fourth proportional to 19,246.68, 26,561.16 and 10,863 is: 14,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.68 : 26,561.16 = 10,863 : x
  2. Step 2: Convert to fraction form
    19,246.68/26,561.16 = 10,863/x
  3. Step 3: Cross multiply
    19,246.68x = 26,561.16 × 10,863
  4. Step 4: Simplify right side
    19,246.68x = 288,533,881.08
  5. Step 5: Solve for x
    x = 288,533,881.08/19,246.68
  6. Step 6: Final answer
    x = 14,991.36

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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.