Home / 13,076.32-19,615.40-5,285.04

Finding the Fourth Proportional to 13,076.32, 19,615.40 and 5,285.04

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Solution

The fourth proportional to 13,076.32, 19,615.40 and 5,285.04 is: 7,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.32 : 19,615.40 = 5,285.04 : x
  2. Step 2: Convert to fraction form
    13,076.32/19,615.40 = 5,285.04/x
  3. Step 3: Cross multiply
    13,076.32x = 19,615.40 × 5,285.04
  4. Step 4: Simplify right side
    13,076.32x = 103,668,173.62
  5. Step 5: Solve for x
    x = 103,668,173.62/13,076.32
  6. Step 6: Final answer
    x = 7,927.93

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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.