Home / 13,548.44-18,696.47-7,580.13

Finding the Fourth Proportional to 13,548.44, 18,696.47 and 7,580.13

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Solution

The fourth proportional to 13,548.44, 18,696.47 and 7,580.13 is: 10,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.44 : 18,696.47 = 7,580.13 : x
  2. Step 2: Convert to fraction form
    13,548.44/18,696.47 = 7,580.13/x
  3. Step 3: Cross multiply
    13,548.44x = 18,696.47 × 7,580.13
  4. Step 4: Simplify right side
    13,548.44x = 141,721,635.24
  5. Step 5: Solve for x
    x = 141,721,635.24/13,548.44
  6. Step 6: Final answer
    x = 10,460.37

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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.