Home / 19,315.11-28,923.66-16,186.89

Finding the Fourth Proportional to 19,315.11, 28,923.66 and 16,186.89

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Solution

The fourth proportional to 19,315.11, 28,923.66 and 16,186.89 is: 24,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.11 : 28,923.66 = 16,186.89 : x
  2. Step 2: Convert to fraction form
    19,315.11/28,923.66 = 16,186.89/x
  3. Step 3: Cross multiply
    19,315.11x = 28,923.66 × 16,186.89
  4. Step 4: Simplify right side
    19,315.11x = 468,184,102.82
  5. Step 5: Solve for x
    x = 468,184,102.82/19,315.11
  6. Step 6: Final answer
    x = 24,239.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.