Home / 18,975.67-26,186.09-10,477.58

Finding the Fourth Proportional to 18,975.67, 26,186.09 and 10,477.58

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Solution

The fourth proportional to 18,975.67, 26,186.09 and 10,477.58 is: 14,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.67 : 26,186.09 = 10,477.58 : x
  2. Step 2: Convert to fraction form
    18,975.67/26,186.09 = 10,477.58/x
  3. Step 3: Cross multiply
    18,975.67x = 26,186.09 × 10,477.58
  4. Step 4: Simplify right side
    18,975.67x = 274,366,748.13
  5. Step 5: Solve for x
    x = 274,366,748.13/18,975.67
  6. Step 6: Final answer
    x = 14,458.87

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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.