Home / 13,397.12-18,473.63-11,295.80

Finding the Fourth Proportional to 13,397.12, 18,473.63 and 11,295.80

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Solution

The fourth proportional to 13,397.12, 18,473.63 and 11,295.80 is: 15,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.12 : 18,473.63 = 11,295.80 : x
  2. Step 2: Convert to fraction form
    13,397.12/18,473.63 = 11,295.80/x
  3. Step 3: Cross multiply
    13,397.12x = 18,473.63 × 11,295.80
  4. Step 4: Simplify right side
    13,397.12x = 208,674,350.18
  5. Step 5: Solve for x
    x = 208,674,350.18/13,397.12
  6. Step 6: Final answer
    x = 15,576.06

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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.