Home / 19,064.85-28,614.78-9,711.51

Finding the Fourth Proportional to 19,064.85, 28,614.78 and 9,711.51

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Solution

The fourth proportional to 19,064.85, 28,614.78 and 9,711.51 is: 14,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,064.85 : 28,614.78 = 9,711.51 : x
  2. Step 2: Convert to fraction form
    19,064.85/28,614.78 = 9,711.51/x
  3. Step 3: Cross multiply
    19,064.85x = 28,614.78 × 9,711.51
  4. Step 4: Simplify right side
    19,064.85x = 277,892,722.12
  5. Step 5: Solve for x
    x = 277,892,722.12/19,064.85
  6. Step 6: Final answer
    x = 14,576.18

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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.