Home / 19,555.91-29,339.38-5,516.07

Finding the Fourth Proportional to 19,555.91, 29,339.38 and 5,516.07

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Solution

The fourth proportional to 19,555.91, 29,339.38 and 5,516.07 is: 8,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.91 : 29,339.38 = 5,516.07 : x
  2. Step 2: Convert to fraction form
    19,555.91/29,339.38 = 5,516.07/x
  3. Step 3: Cross multiply
    19,555.91x = 29,339.38 × 5,516.07
  4. Step 4: Simplify right side
    19,555.91x = 161,837,927.14
  5. Step 5: Solve for x
    x = 161,837,927.14/19,555.91
  6. Step 6: Final answer
    x = 8,275.66

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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.