Home / 21,084.50-29,096.21-11,653.07

Finding the Fourth Proportional to 21,084.50, 29,096.21 and 11,653.07

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Solution

The fourth proportional to 21,084.50, 29,096.21 and 11,653.07 is: 16,081.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.50 : 29,096.21 = 11,653.07 : x
  2. Step 2: Convert to fraction form
    21,084.50/29,096.21 = 11,653.07/x
  3. Step 3: Cross multiply
    21,084.50x = 29,096.21 × 11,653.07
  4. Step 4: Simplify right side
    21,084.50x = 339,060,055.52
  5. Step 5: Solve for x
    x = 339,060,055.52/21,084.50
  6. Step 6: Final answer
    x = 16,081.01

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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.