Home / 20,666.07-28,493.37-17,095.86

Finding the Fourth Proportional to 20,666.07, 28,493.37 and 17,095.86

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Solution

The fourth proportional to 20,666.07, 28,493.37 and 17,095.86 is: 23,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666.07 : 28,493.37 = 17,095.86 : x
  2. Step 2: Convert to fraction form
    20,666.07/28,493.37 = 17,095.86/x
  3. Step 3: Cross multiply
    20,666.07x = 28,493.37 × 17,095.86
  4. Step 4: Simplify right side
    20,666.07x = 487,118,664.45
  5. Step 5: Solve for x
    x = 487,118,664.45/20,666.07
  6. Step 6: Final answer
    x = 23,570.94

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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.