Home / 19,125-26,331.48-16,133.40

Finding the Fourth Proportional to 19,125, 26,331.48 and 16,133.40

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Solution

The fourth proportional to 19,125, 26,331.48 and 16,133.40 is: 22,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125 : 26,331.48 = 16,133.40 : x
  2. Step 2: Convert to fraction form
    19,125/26,331.48 = 16,133.40/x
  3. Step 3: Cross multiply
    19,125x = 26,331.48 × 16,133.40
  4. Step 4: Simplify right side
    19,125x = 424,816,299.43
  5. Step 5: Solve for x
    x = 424,816,299.43/19,125
  6. Step 6: Final answer
    x = 22,212.62

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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.