Home / 26,600.85-36,678.69-19,875.15

Finding the Fourth Proportional to 26,600.85, 36,678.69 and 19,875.15

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Solution

The fourth proportional to 26,600.85, 36,678.69 and 19,875.15 is: 27,404.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600.85 : 36,678.69 = 19,875.15 : x
  2. Step 2: Convert to fraction form
    26,600.85/36,678.69 = 19,875.15/x
  3. Step 3: Cross multiply
    26,600.85x = 36,678.69 × 19,875.15
  4. Step 4: Simplify right side
    26,600.85x = 728,994,465.55
  5. Step 5: Solve for x
    x = 728,994,465.55/26,600.85
  6. Step 6: Final answer
    x = 27,404.93

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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.