Home / 13,056.54-19,584.81-7,518.30

Finding the Fourth Proportional to 13,056.54, 19,584.81 and 7,518.30

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Solution

The fourth proportional to 13,056.54, 19,584.81 and 7,518.30 is: 11,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.54 : 19,584.81 = 7,518.30 : x
  2. Step 2: Convert to fraction form
    13,056.54/19,584.81 = 7,518.30/x
  3. Step 3: Cross multiply
    13,056.54x = 19,584.81 × 7,518.30
  4. Step 4: Simplify right side
    13,056.54x = 147,244,477.02
  5. Step 5: Solve for x
    x = 147,244,477.02/13,056.54
  6. Step 6: Final answer
    x = 11,277.45

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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.