Home / 38,400.07-57,591.46-13,776.07

Finding the Fourth Proportional to 38,400.07, 57,591.46 and 13,776.07

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Solution

The fourth proportional to 38,400.07, 57,591.46 and 13,776.07 is: 20,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.07 : 57,591.46 = 13,776.07 : x
  2. Step 2: Convert to fraction form
    38,400.07/57,591.46 = 13,776.07/x
  3. Step 3: Cross multiply
    38,400.07x = 57,591.46 × 13,776.07
  4. Step 4: Simplify right side
    38,400.07x = 793,383,984.36
  5. Step 5: Solve for x
    x = 793,383,984.36/38,400.07
  6. Step 6: Final answer
    x = 20,661.00

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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.