Home / 20,617.07-28,458.41-14,666.00

Finding the Fourth Proportional to 20,617.07, 28,458.41 and 14,666.00

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Solution

The fourth proportional to 20,617.07, 28,458.41 and 14,666.00 is: 20,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.07 : 28,458.41 = 14,666.00 : x
  2. Step 2: Convert to fraction form
    20,617.07/28,458.41 = 14,666.00/x
  3. Step 3: Cross multiply
    20,617.07x = 28,458.41 × 14,666.00
  4. Step 4: Simplify right side
    20,617.07x = 417,370,825.44
  5. Step 5: Solve for x
    x = 417,370,825.44/20,617.07
  6. Step 6: Final answer
    x = 20,243.95

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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.