Home / 19,555.24-29,316.38-13,297.72

Finding the Fourth Proportional to 19,555.24, 29,316.38 and 13,297.72

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Solution

The fourth proportional to 19,555.24, 29,316.38 and 13,297.72 is: 19,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.24 : 29,316.38 = 13,297.72 : x
  2. Step 2: Convert to fraction form
    19,555.24/29,316.38 = 13,297.72/x
  3. Step 3: Cross multiply
    19,555.24x = 29,316.38 × 13,297.72
  4. Step 4: Simplify right side
    19,555.24x = 389,841,012.65
  5. Step 5: Solve for x
    x = 389,841,012.65/19,555.24
  6. Step 6: Final answer
    x = 19,935.37

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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.