Home / 13,301.88-18,355.76-7,333.20

Finding the Fourth Proportional to 13,301.88, 18,355.76 and 7,333.20

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Solution

The fourth proportional to 13,301.88, 18,355.76 and 7,333.20 is: 10,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.88 : 18,355.76 = 7,333.20 : x
  2. Step 2: Convert to fraction form
    13,301.88/18,355.76 = 7,333.20/x
  3. Step 3: Cross multiply
    13,301.88x = 18,355.76 × 7,333.20
  4. Step 4: Simplify right side
    13,301.88x = 134,606,459.23
  5. Step 5: Solve for x
    x = 134,606,459.23/13,301.88
  6. Step 6: Final answer
    x = 10,119.36

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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.