Home / 19,056.74-28,581.58-7,960.45

Finding the Fourth Proportional to 19,056.74, 28,581.58 and 7,960.45

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Solution

The fourth proportional to 19,056.74, 28,581.58 and 7,960.45 is: 11,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.74 : 28,581.58 = 7,960.45 : x
  2. Step 2: Convert to fraction form
    19,056.74/28,581.58 = 7,960.45/x
  3. Step 3: Cross multiply
    19,056.74x = 28,581.58 × 7,960.45
  4. Step 4: Simplify right side
    19,056.74x = 227,522,333.37
  5. Step 5: Solve for x
    x = 227,522,333.37/19,056.74
  6. Step 6: Final answer
    x = 11,939.20

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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.