Home / 13,301.61-18,355.98-7,333.84

Finding the Fourth Proportional to 13,301.61, 18,355.98 and 7,333.84

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Solution

The fourth proportional to 13,301.61, 18,355.98 and 7,333.84 is: 10,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.61 : 18,355.98 = 7,333.84 : x
  2. Step 2: Convert to fraction form
    13,301.61/18,355.98 = 7,333.84/x
  3. Step 3: Cross multiply
    13,301.61x = 18,355.98 × 7,333.84
  4. Step 4: Simplify right side
    13,301.61x = 134,619,820.36
  5. Step 5: Solve for x
    x = 134,619,820.36/13,301.61
  6. Step 6: Final answer
    x = 10,120.57

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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.