Home / 13,323.84-18,386.82-7,355.88

Finding the Fourth Proportional to 13,323.84, 18,386.82 and 7,355.88

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Solution

The fourth proportional to 13,323.84, 18,386.82 and 7,355.88 is: 10,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.84 : 18,386.82 = 7,355.88 : x
  2. Step 2: Convert to fraction form
    13,323.84/18,386.82 = 7,355.88/x
  3. Step 3: Cross multiply
    13,323.84x = 18,386.82 × 7,355.88
  4. Step 4: Simplify right side
    13,323.84x = 135,251,241.50
  5. Step 5: Solve for x
    x = 135,251,241.50/13,323.84
  6. Step 6: Final answer
    x = 10,151.07

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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.