Home / 13,364.41-18,444.84-7,698.05

Finding the Fourth Proportional to 13,364.41, 18,444.84 and 7,698.05

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Solution

The fourth proportional to 13,364.41, 18,444.84 and 7,698.05 is: 10,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.41 : 18,444.84 = 7,698.05 : x
  2. Step 2: Convert to fraction form
    13,364.41/18,444.84 = 7,698.05/x
  3. Step 3: Cross multiply
    13,364.41x = 18,444.84 × 7,698.05
  4. Step 4: Simplify right side
    13,364.41x = 141,989,300.56
  5. Step 5: Solve for x
    x = 141,989,300.56/13,364.41
  6. Step 6: Final answer
    x = 10,624.43

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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.