Home / 45,586.65-68,385.44-13,992.59

Finding the Fourth Proportional to 45,586.65, 68,385.44 and 13,992.59

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Solution

The fourth proportional to 45,586.65, 68,385.44 and 13,992.59 is: 20,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.65 : 68,385.44 = 13,992.59 : x
  2. Step 2: Convert to fraction form
    45,586.65/68,385.44 = 13,992.59/x
  3. Step 3: Cross multiply
    45,586.65x = 68,385.44 × 13,992.59
  4. Step 4: Simplify right side
    45,586.65x = 956,889,012.00
  5. Step 5: Solve for x
    x = 956,889,012.00/45,586.65
  6. Step 6: Final answer
    x = 20,990.55

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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.