Home / 19,906.79-27,457.25-16,901.89

Finding the Fourth Proportional to 19,906.79, 27,457.25 and 16,901.89

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Solution

The fourth proportional to 19,906.79, 27,457.25 and 16,901.89 is: 23,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.79 : 27,457.25 = 16,901.89 : x
  2. Step 2: Convert to fraction form
    19,906.79/27,457.25 = 16,901.89/x
  3. Step 3: Cross multiply
    19,906.79x = 27,457.25 × 16,901.89
  4. Step 4: Simplify right side
    19,906.79x = 464,079,266.05
  5. Step 5: Solve for x
    x = 464,079,266.05/19,906.79
  6. Step 6: Final answer
    x = 23,312.62

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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.