Home / 26,930.24-37,172.12-18,429.16

Finding the Fourth Proportional to 26,930.24, 37,172.12 and 18,429.16

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Solution

The fourth proportional to 26,930.24, 37,172.12 and 18,429.16 is: 25,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.24 : 37,172.12 = 18,429.16 : x
  2. Step 2: Convert to fraction form
    26,930.24/37,172.12 = 18,429.16/x
  3. Step 3: Cross multiply
    26,930.24x = 37,172.12 × 18,429.16
  4. Step 4: Simplify right side
    26,930.24x = 685,050,947.02
  5. Step 5: Solve for x
    x = 685,050,947.02/26,930.24
  6. Step 6: Final answer
    x = 25,437.98

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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.