Home / 26,887.70-40,293.38-19,812.08

Finding the Fourth Proportional to 26,887.70, 40,293.38 and 19,812.08

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Solution

The fourth proportional to 26,887.70, 40,293.38 and 19,812.08 is: 29,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.70 : 40,293.38 = 19,812.08 : x
  2. Step 2: Convert to fraction form
    26,887.70/40,293.38 = 19,812.08/x
  3. Step 3: Cross multiply
    26,887.70x = 40,293.38 × 19,812.08
  4. Step 4: Simplify right side
    26,887.70x = 798,295,818.29
  5. Step 5: Solve for x
    x = 798,295,818.29/26,887.70
  6. Step 6: Final answer
    x = 29,690.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.