Home / 22,144.81-30,558.70-12,583.45

Finding the Fourth Proportional to 22,144.81, 30,558.70 and 12,583.45

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Solution

The fourth proportional to 22,144.81, 30,558.70 and 12,583.45 is: 17,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.81 : 30,558.70 = 12,583.45 : x
  2. Step 2: Convert to fraction form
    22,144.81/30,558.70 = 12,583.45/x
  3. Step 3: Cross multiply
    22,144.81x = 30,558.70 × 12,583.45
  4. Step 4: Simplify right side
    22,144.81x = 384,533,873.52
  5. Step 5: Solve for x
    x = 384,533,873.52/22,144.81
  6. Step 6: Final answer
    x = 17,364.51

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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.