Home / 13,303.26-18,358.65-7,334.64

Finding the Fourth Proportional to 13,303.26, 18,358.65 and 7,334.64

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Solution

The fourth proportional to 13,303.26, 18,358.65 and 7,334.64 is: 10,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.26 : 18,358.65 = 7,334.64 : x
  2. Step 2: Convert to fraction form
    13,303.26/18,358.65 = 7,334.64/x
  3. Step 3: Cross multiply
    13,303.26x = 18,358.65 × 7,334.64
  4. Step 4: Simplify right side
    13,303.26x = 134,654,088.64
  5. Step 5: Solve for x
    x = 134,654,088.64/13,303.26
  6. Step 6: Final answer
    x = 10,121.89

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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.