Home / 31,409.58-47,096.15-12,674.28

Finding the Fourth Proportional to 31,409.58, 47,096.15 and 12,674.28

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Solution

The fourth proportional to 31,409.58, 47,096.15 and 12,674.28 is: 19,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.58 : 47,096.15 = 12,674.28 : x
  2. Step 2: Convert to fraction form
    31,409.58/47,096.15 = 12,674.28/x
  3. Step 3: Cross multiply
    31,409.58x = 47,096.15 × 12,674.28
  4. Step 4: Simplify right side
    31,409.58x = 596,909,728.65
  5. Step 5: Solve for x
    x = 596,909,728.65/31,409.58
  6. Step 6: Final answer
    x = 19,004.07

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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.