Home / 16,915.43-23,301.57-14,389.45

Finding the Fourth Proportional to 16,915.43, 23,301.57 and 14,389.45

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Solution

The fourth proportional to 16,915.43, 23,301.57 and 14,389.45 is: 19,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.43 : 23,301.57 = 14,389.45 : x
  2. Step 2: Convert to fraction form
    16,915.43/23,301.57 = 14,389.45/x
  3. Step 3: Cross multiply
    16,915.43x = 23,301.57 × 14,389.45
  4. Step 4: Simplify right side
    16,915.43x = 335,296,772.14
  5. Step 5: Solve for x
    x = 335,296,772.14/16,915.43
  6. Step 6: Final answer
    x = 19,821.94

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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.