Home / 20,083.42-27,727.72-12,925.77

Finding the Fourth Proportional to 20,083.42, 27,727.72 and 12,925.77

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Solution

The fourth proportional to 20,083.42, 27,727.72 and 12,925.77 is: 17,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.42 : 27,727.72 = 12,925.77 : x
  2. Step 2: Convert to fraction form
    20,083.42/27,727.72 = 12,925.77/x
  3. Step 3: Cross multiply
    20,083.42x = 27,727.72 × 12,925.77
  4. Step 4: Simplify right side
    20,083.42x = 358,402,232.98
  5. Step 5: Solve for x
    x = 358,402,232.98/20,083.42
  6. Step 6: Final answer
    x = 17,845.68

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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.