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Finding the Fourth Proportional to 19,312.52, 26,652.74 and 10,814.21

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Solution

The fourth proportional to 19,312.52, 26,652.74 and 10,814.21 is: 14,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.52 : 26,652.74 = 10,814.21 : x
  2. Step 2: Convert to fraction form
    19,312.52/26,652.74 = 10,814.21/x
  3. Step 3: Cross multiply
    19,312.52x = 26,652.74 × 10,814.21
  4. Step 4: Simplify right side
    19,312.52x = 288,228,167.14
  5. Step 5: Solve for x
    x = 288,228,167.14/19,312.52
  6. Step 6: Final answer
    x = 14,924.42

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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.