Home / 13,364.94-18,437.79-8,056.74

Finding the Fourth Proportional to 13,364.94, 18,437.79 and 8,056.74

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Solution

The fourth proportional to 13,364.94, 18,437.79 and 8,056.74 is: 11,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.94 : 18,437.79 = 8,056.74 : x
  2. Step 2: Convert to fraction form
    13,364.94/18,437.79 = 8,056.74/x
  3. Step 3: Cross multiply
    13,364.94x = 18,437.79 × 8,056.74
  4. Step 4: Simplify right side
    13,364.94x = 148,548,480.20
  5. Step 5: Solve for x
    x = 148,548,480.20/13,364.94
  6. Step 6: Final answer
    x = 11,114.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.