Home / 22,176.69-30,614.81-14,118.35

Finding the Fourth Proportional to 22,176.69, 30,614.81 and 14,118.35

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Solution

The fourth proportional to 22,176.69, 30,614.81 and 14,118.35 is: 19,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.69 : 30,614.81 = 14,118.35 : x
  2. Step 2: Convert to fraction form
    22,176.69/30,614.81 = 14,118.35/x
  3. Step 3: Cross multiply
    22,176.69x = 30,614.81 × 14,118.35
  4. Step 4: Simplify right side
    22,176.69x = 432,230,630.72
  5. Step 5: Solve for x
    x = 432,230,630.72/22,176.69
  6. Step 6: Final answer
    x = 19,490.32

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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.