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Finding the Fourth Proportional to 19,363.65, 26,547.79 and 19,013.73

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Solution

The fourth proportional to 19,363.65, 26,547.79 and 19,013.73 is: 26,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.65 : 26,547.79 = 19,013.73 : x
  2. Step 2: Convert to fraction form
    19,363.65/26,547.79 = 19,013.73/x
  3. Step 3: Cross multiply
    19,363.65x = 26,547.79 × 19,013.73
  4. Step 4: Simplify right side
    19,363.65x = 504,772,399.72
  5. Step 5: Solve for x
    x = 504,772,399.72/19,363.65
  6. Step 6: Final answer
    x = 26,068.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.