Home / 20,549.51-28,332.50-16,768.83

Finding the Fourth Proportional to 20,549.51, 28,332.50 and 16,768.83

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Solution

The fourth proportional to 20,549.51, 28,332.50 and 16,768.83 is: 23,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.51 : 28,332.50 = 16,768.83 : x
  2. Step 2: Convert to fraction form
    20,549.51/28,332.50 = 16,768.83/x
  3. Step 3: Cross multiply
    20,549.51x = 28,332.50 × 16,768.83
  4. Step 4: Simplify right side
    20,549.51x = 475,102,875.98
  5. Step 5: Solve for x
    x = 475,102,875.98/20,549.51
  6. Step 6: Final answer
    x = 23,119.91

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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.