Home / 15,803.55-23,705.10-4,717.89

Finding the Fourth Proportional to 15,803.55, 23,705.10 and 4,717.89

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Solution

The fourth proportional to 15,803.55, 23,705.10 and 4,717.89 is: 7,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.55 : 23,705.10 = 4,717.89 : x
  2. Step 2: Convert to fraction form
    15,803.55/23,705.10 = 4,717.89/x
  3. Step 3: Cross multiply
    15,803.55x = 23,705.10 × 4,717.89
  4. Step 4: Simplify right side
    15,803.55x = 111,838,054.24
  5. Step 5: Solve for x
    x = 111,838,054.24/15,803.55
  6. Step 6: Final answer
    x = 7,076.77

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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.