Home / 15,623.65-23,436.98-4,379.00

Finding the Fourth Proportional to 15,623.65, 23,436.98 and 4,379.00

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Solution

The fourth proportional to 15,623.65, 23,436.98 and 4,379.00 is: 6,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.65 : 23,436.98 = 4,379.00 : x
  2. Step 2: Convert to fraction form
    15,623.65/23,436.98 = 4,379.00/x
  3. Step 3: Cross multiply
    15,623.65x = 23,436.98 × 4,379.00
  4. Step 4: Simplify right side
    15,623.65x = 102,630,412.76
  5. Step 5: Solve for x
    x = 102,630,412.76/15,623.65
  6. Step 6: Final answer
    x = 6,568.91

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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.