Home / 13,059.24-19,583.10-7,218.60

Finding the Fourth Proportional to 13,059.24, 19,583.10 and 7,218.60

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Solution

The fourth proportional to 13,059.24, 19,583.10 and 7,218.60 is: 10,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.24 : 19,583.10 = 7,218.60 : x
  2. Step 2: Convert to fraction form
    13,059.24/19,583.10 = 7,218.60/x
  3. Step 3: Cross multiply
    13,059.24x = 19,583.10 × 7,218.60
  4. Step 4: Simplify right side
    13,059.24x = 141,362,565.66
  5. Step 5: Solve for x
    x = 141,362,565.66/13,059.24
  6. Step 6: Final answer
    x = 10,824.72

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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.