Home / 15,695.78-23,543.80-5,835.06

Finding the Fourth Proportional to 15,695.78, 23,543.80 and 5,835.06

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Solution

The fourth proportional to 15,695.78, 23,543.80 and 5,835.06 is: 8,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.78 : 23,543.80 = 5,835.06 : x
  2. Step 2: Convert to fraction form
    15,695.78/23,543.80 = 5,835.06/x
  3. Step 3: Cross multiply
    15,695.78x = 23,543.80 × 5,835.06
  4. Step 4: Simplify right side
    15,695.78x = 137,379,485.63
  5. Step 5: Solve for x
    x = 137,379,485.63/15,695.78
  6. Step 6: Final answer
    x = 8,752.64

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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.