Home / 13,326.23-18,390.27-7,357.92

Finding the Fourth Proportional to 13,326.23, 18,390.27 and 7,357.92

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Solution

The fourth proportional to 13,326.23, 18,390.27 and 7,357.92 is: 10,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.23 : 18,390.27 = 7,357.92 : x
  2. Step 2: Convert to fraction form
    13,326.23/18,390.27 = 7,357.92/x
  3. Step 3: Cross multiply
    13,326.23x = 18,390.27 × 7,357.92
  4. Step 4: Simplify right side
    13,326.23x = 135,314,094.07
  5. Step 5: Solve for x
    x = 135,314,094.07/13,326.23
  6. Step 6: Final answer
    x = 10,153.96

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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.