Home / 18,159.34-27,238.27-5,011.38

Finding the Fourth Proportional to 18,159.34, 27,238.27 and 5,011.38

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Solution

The fourth proportional to 18,159.34, 27,238.27 and 5,011.38 is: 7,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.34 : 27,238.27 = 5,011.38 : x
  2. Step 2: Convert to fraction form
    18,159.34/27,238.27 = 5,011.38/x
  3. Step 3: Cross multiply
    18,159.34x = 27,238.27 × 5,011.38
  4. Step 4: Simplify right side
    18,159.34x = 136,501,185.32
  5. Step 5: Solve for x
    x = 136,501,185.32/18,159.34
  6. Step 6: Final answer
    x = 7,516.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.