Home / 15,740.46-23,616.16-6,981.54

Finding the Fourth Proportional to 15,740.46, 23,616.16 and 6,981.54

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Solution

The fourth proportional to 15,740.46, 23,616.16 and 6,981.54 is: 10,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.46 : 23,616.16 = 6,981.54 : x
  2. Step 2: Convert to fraction form
    15,740.46/23,616.16 = 6,981.54/x
  3. Step 3: Cross multiply
    15,740.46x = 23,616.16 × 6,981.54
  4. Step 4: Simplify right side
    15,740.46x = 164,877,165.69
  5. Step 5: Solve for x
    x = 164,877,165.69/15,740.46
  6. Step 6: Final answer
    x = 10,474.74

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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.