Home / 18,665.04-28,059.09-17,295.45

Finding the Fourth Proportional to 18,665.04, 28,059.09 and 17,295.45

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Solution

The fourth proportional to 18,665.04, 28,059.09 and 17,295.45 is: 26,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665.04 : 28,059.09 = 17,295.45 : x
  2. Step 2: Convert to fraction form
    18,665.04/28,059.09 = 17,295.45/x
  3. Step 3: Cross multiply
    18,665.04x = 28,059.09 × 17,295.45
  4. Step 4: Simplify right side
    18,665.04x = 485,294,588.14
  5. Step 5: Solve for x
    x = 485,294,588.14/18,665.04
  6. Step 6: Final answer
    x = 26,000.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.