Home / 13,548.03-18,697.02-7,579.68

Finding the Fourth Proportional to 13,548.03, 18,697.02 and 7,579.68

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Solution

The fourth proportional to 13,548.03, 18,697.02 and 7,579.68 is: 10,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.03 : 18,697.02 = 7,579.68 : x
  2. Step 2: Convert to fraction form
    13,548.03/18,697.02 = 7,579.68/x
  3. Step 3: Cross multiply
    13,548.03x = 18,697.02 × 7,579.68
  4. Step 4: Simplify right side
    13,548.03x = 141,717,428.55
  5. Step 5: Solve for x
    x = 141,717,428.55/13,548.03
  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.