Home / 20,566.94-28,354.94-16,332.02

Finding the Fourth Proportional to 20,566.94, 28,354.94 and 16,332.02

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Solution

The fourth proportional to 20,566.94, 28,354.94 and 16,332.02 is: 22,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.94 : 28,354.94 = 16,332.02 : x
  2. Step 2: Convert to fraction form
    20,566.94/28,354.94 = 16,332.02/x
  3. Step 3: Cross multiply
    20,566.94x = 28,354.94 × 16,332.02
  4. Step 4: Simplify right side
    20,566.94x = 463,093,447.18
  5. Step 5: Solve for x
    x = 463,093,447.18/20,566.94
  6. Step 6: Final answer
    x = 22,516.40

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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.