Home / 19,558.93-29,332.23-8,458.51

Finding the Fourth Proportional to 19,558.93, 29,332.23 and 8,458.51

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Solution

The fourth proportional to 19,558.93, 29,332.23 and 8,458.51 is: 12,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.93 : 29,332.23 = 8,458.51 : x
  2. Step 2: Convert to fraction form
    19,558.93/29,332.23 = 8,458.51/x
  3. Step 3: Cross multiply
    19,558.93x = 29,332.23 × 8,458.51
  4. Step 4: Simplify right side
    19,558.93x = 248,106,960.78
  5. Step 5: Solve for x
    x = 248,106,960.78/19,558.93
  6. Step 6: Final answer
    x = 12,685.10

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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.