Home / 13,548.24-18,697.30-7,579.55

Finding the Fourth Proportional to 13,548.24, 18,697.30 and 7,579.55

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Solution

The fourth proportional to 13,548.24, 18,697.30 and 7,579.55 is: 10,460.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.24 : 18,697.30 = 7,579.55 : x
  2. Step 2: Convert to fraction form
    13,548.24/18,697.30 = 7,579.55/x
  3. Step 3: Cross multiply
    13,548.24x = 18,697.30 × 7,579.55
  4. Step 4: Simplify right side
    13,548.24x = 141,717,148.01
  5. Step 5: Solve for x
    x = 141,717,148.01/13,548.24
  6. Step 6: Final answer
    x = 10,460.19

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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.