Home / 21,047.07-29,045.61-12,096.39

Finding the Fourth Proportional to 21,047.07, 29,045.61 and 12,096.39

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Solution

The fourth proportional to 21,047.07, 29,045.61 and 12,096.39 is: 16,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.07 : 29,045.61 = 12,096.39 : x
  2. Step 2: Convert to fraction form
    21,047.07/29,045.61 = 12,096.39/x
  3. Step 3: Cross multiply
    21,047.07x = 29,045.61 × 12,096.39
  4. Step 4: Simplify right side
    21,047.07x = 351,347,026.35
  5. Step 5: Solve for x
    x = 351,347,026.35/21,047.07
  6. Step 6: Final answer
    x = 16,693.39

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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.