Home / 17,078.04-23,566.58-9,420.85

Finding the Fourth Proportional to 17,078.04, 23,566.58 and 9,420.85

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Solution

The fourth proportional to 17,078.04, 23,566.58 and 9,420.85 is: 13,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078.04 : 23,566.58 = 9,420.85 : x
  2. Step 2: Convert to fraction form
    17,078.04/23,566.58 = 9,420.85/x
  3. Step 3: Cross multiply
    17,078.04x = 23,566.58 × 9,420.85
  4. Step 4: Simplify right side
    17,078.04x = 222,017,109.17
  5. Step 5: Solve for x
    x = 222,017,109.17/17,078.04
  6. Step 6: Final answer
    x = 13,000.16

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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.