Home / 13,427.24-18,529.56-7,459.46

Finding the Fourth Proportional to 13,427.24, 18,529.56 and 7,459.46

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Solution

The fourth proportional to 13,427.24, 18,529.56 and 7,459.46 is: 10,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.24 : 18,529.56 = 7,459.46 : x
  2. Step 2: Convert to fraction form
    13,427.24/18,529.56 = 7,459.46/x
  3. Step 3: Cross multiply
    13,427.24x = 18,529.56 × 7,459.46
  4. Step 4: Simplify right side
    13,427.24x = 138,220,488.48
  5. Step 5: Solve for x
    x = 138,220,488.48/13,427.24
  6. Step 6: Final answer
    x = 10,294.04

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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.