Home / 21,923.74-30,254.70-11,852.14

Finding the Fourth Proportional to 21,923.74, 30,254.70 and 11,852.14

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Solution

The fourth proportional to 21,923.74, 30,254.70 and 11,852.14 is: 16,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.74 : 30,254.70 = 11,852.14 : x
  2. Step 2: Convert to fraction form
    21,923.74/30,254.70 = 11,852.14/x
  3. Step 3: Cross multiply
    21,923.74x = 30,254.70 × 11,852.14
  4. Step 4: Simplify right side
    21,923.74x = 358,582,940.06
  5. Step 5: Solve for x
    x = 358,582,940.06/21,923.74
  6. Step 6: Final answer
    x = 16,355.92

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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.