Home / 13,301.07-18,355.60-7,332.96

Finding the Fourth Proportional to 13,301.07, 18,355.60 and 7,332.96

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Solution

The fourth proportional to 13,301.07, 18,355.60 and 7,332.96 is: 10,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.07 : 18,355.60 = 7,332.96 : x
  2. Step 2: Convert to fraction form
    13,301.07/18,355.60 = 7,332.96/x
  3. Step 3: Cross multiply
    13,301.07x = 18,355.60 × 7,332.96
  4. Step 4: Simplify right side
    13,301.07x = 134,600,880.58
  5. Step 5: Solve for x
    x = 134,600,880.58/13,301.07
  6. Step 6: Final answer
    x = 10,119.55

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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.