Home / 27,614.36-38,106.79-16,877.21

Finding the Fourth Proportional to 27,614.36, 38,106.79 and 16,877.21

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Solution

The fourth proportional to 27,614.36, 38,106.79 and 16,877.21 is: 23,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,614.36 : 38,106.79 = 16,877.21 : x
  2. Step 2: Convert to fraction form
    27,614.36/38,106.79 = 16,877.21/x
  3. Step 3: Cross multiply
    27,614.36x = 38,106.79 × 16,877.21
  4. Step 4: Simplify right side
    27,614.36x = 643,136,064.53
  5. Step 5: Solve for x
    x = 643,136,064.53/27,614.36
  6. Step 6: Final answer
    x = 23,289.91

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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.