Home / 16,750.72-23,111.07-10,381.99

Finding the Fourth Proportional to 16,750.72, 23,111.07 and 10,381.99

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Solution

The fourth proportional to 16,750.72, 23,111.07 and 10,381.99 is: 14,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.72 : 23,111.07 = 10,381.99 : x
  2. Step 2: Convert to fraction form
    16,750.72/23,111.07 = 10,381.99/x
  3. Step 3: Cross multiply
    16,750.72x = 23,111.07 × 10,381.99
  4. Step 4: Simplify right side
    16,750.72x = 239,938,897.63
  5. Step 5: Solve for x
    x = 239,938,897.63/16,750.72
  6. Step 6: Final answer
    x = 14,324.09

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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.