Home / 38,815.08-58,222.98-11,113.08

Finding the Fourth Proportional to 38,815.08, 58,222.98 and 11,113.08

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Solution

The fourth proportional to 38,815.08, 58,222.98 and 11,113.08 is: 16,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.08 : 58,222.98 = 11,113.08 : x
  2. Step 2: Convert to fraction form
    38,815.08/58,222.98 = 11,113.08/x
  3. Step 3: Cross multiply
    38,815.08x = 58,222.98 × 11,113.08
  4. Step 4: Simplify right side
    38,815.08x = 647,036,634.58
  5. Step 5: Solve for x
    x = 647,036,634.58/38,815.08
  6. Step 6: Final answer
    x = 16,669.72

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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.