Home / 13,301.40-18,355.14-7,333.32

Finding the Fourth Proportional to 13,301.40, 18,355.14 and 7,333.32

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Solution

The fourth proportional to 13,301.40, 18,355.14 and 7,333.32 is: 10,119.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.40 : 18,355.14 = 7,333.32 : x
  2. Step 2: Convert to fraction form
    13,301.40/18,355.14 = 7,333.32/x
  3. Step 3: Cross multiply
    13,301.40x = 18,355.14 × 7,333.32
  4. Step 4: Simplify right side
    13,301.40x = 134,604,115.26
  5. Step 5: Solve for x
    x = 134,604,115.26/13,301.40
  6. Step 6: Final answer
    x = 10,119.54

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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.