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Finding the Fourth Proportional to 19,502.73, 26,913.30 and 11,545.08

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Solution

The fourth proportional to 19,502.73, 26,913.30 and 11,545.08 is: 15,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.73 : 26,913.30 = 11,545.08 : x
  2. Step 2: Convert to fraction form
    19,502.73/26,913.30 = 11,545.08/x
  3. Step 3: Cross multiply
    19,502.73x = 26,913.30 × 11,545.08
  4. Step 4: Simplify right side
    19,502.73x = 310,716,201.56
  5. Step 5: Solve for x
    x = 310,716,201.56/19,502.73
  6. Step 6: Final answer
    x = 15,931.93

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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.