Home / 22,383.95-30,887.43-12,950.75

Finding the Fourth Proportional to 22,383.95, 30,887.43 and 12,950.75

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Solution

The fourth proportional to 22,383.95, 30,887.43 and 12,950.75 is: 17,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.95 : 30,887.43 = 12,950.75 : x
  2. Step 2: Convert to fraction form
    22,383.95/30,887.43 = 12,950.75/x
  3. Step 3: Cross multiply
    22,383.95x = 30,887.43 × 12,950.75
  4. Step 4: Simplify right side
    22,383.95x = 400,015,384.07
  5. Step 5: Solve for x
    x = 400,015,384.07/22,383.95
  6. Step 6: Final answer
    x = 17,870.63

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Half scale
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Double scale
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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.