Home / 19,658.79-27,130.27-14,804.83

Finding the Fourth Proportional to 19,658.79, 27,130.27 and 14,804.83

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Solution

The fourth proportional to 19,658.79, 27,130.27 and 14,804.83 is: 20,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.79 : 27,130.27 = 14,804.83 : x
  2. Step 2: Convert to fraction form
    19,658.79/27,130.27 = 14,804.83/x
  3. Step 3: Cross multiply
    19,658.79x = 27,130.27 × 14,804.83
  4. Step 4: Simplify right side
    19,658.79x = 401,659,035.20
  5. Step 5: Solve for x
    x = 401,659,035.20/19,658.79
  6. Step 6: Final answer
    x = 20,431.52

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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.