Home / 12,815.34-19,225.74-4,050.96

Finding the Fourth Proportional to 12,815.34, 19,225.74 and 4,050.96

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Solution

The fourth proportional to 12,815.34, 19,225.74 and 4,050.96 is: 6,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.34 : 19,225.74 = 4,050.96 : x
  2. Step 2: Convert to fraction form
    12,815.34/19,225.74 = 4,050.96/x
  3. Step 3: Cross multiply
    12,815.34x = 19,225.74 × 4,050.96
  4. Step 4: Simplify right side
    12,815.34x = 77,882,703.71
  5. Step 5: Solve for x
    x = 77,882,703.71/12,815.34
  6. Step 6: Final answer
    x = 6,077.30

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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.