Home / 26,323.96-36,303.55-21,840.61

Finding the Fourth Proportional to 26,323.96, 36,303.55 and 21,840.61

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Solution

The fourth proportional to 26,323.96, 36,303.55 and 21,840.61 is: 30,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,323.96 : 36,303.55 = 21,840.61 : x
  2. Step 2: Convert to fraction form
    26,323.96/36,303.55 = 21,840.61/x
  3. Step 3: Cross multiply
    26,323.96x = 36,303.55 × 21,840.61
  4. Step 4: Simplify right side
    26,323.96x = 792,891,677.17
  5. Step 5: Solve for x
    x = 792,891,677.17/26,323.96
  6. Step 6: Final answer
    x = 30,120.53

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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.