Home / 13,878.84-19,153.26-7,591.08

Finding the Fourth Proportional to 13,878.84, 19,153.26 and 7,591.08

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Solution

The fourth proportional to 13,878.84, 19,153.26 and 7,591.08 is: 10,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.84 : 19,153.26 = 7,591.08 : x
  2. Step 2: Convert to fraction form
    13,878.84/19,153.26 = 7,591.08/x
  3. Step 3: Cross multiply
    13,878.84x = 19,153.26 × 7,591.08
  4. Step 4: Simplify right side
    13,878.84x = 145,393,928.92
  5. Step 5: Solve for x
    x = 145,393,928.92/13,878.84
  6. Step 6: Final answer
    x = 10,475.94

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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.