Home / 13,598.49-18,765.63-7,548.36

Finding the Fourth Proportional to 13,598.49, 18,765.63 and 7,548.36

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Solution

The fourth proportional to 13,598.49, 18,765.63 and 7,548.36 is: 10,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.49 : 18,765.63 = 7,548.36 : x
  2. Step 2: Convert to fraction form
    13,598.49/18,765.63 = 7,548.36/x
  3. Step 3: Cross multiply
    13,598.49x = 18,765.63 × 7,548.36
  4. Step 4: Simplify right side
    13,598.49x = 141,649,730.87
  5. Step 5: Solve for x
    x = 141,649,730.87/13,598.49
  6. Step 6: Final answer
    x = 10,416.58

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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.