Home / 16,880.90-23,290.90-9,710.44

Finding the Fourth Proportional to 16,880.90, 23,290.90 and 9,710.44

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Solution

The fourth proportional to 16,880.90, 23,290.90 and 9,710.44 is: 13,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.90 : 23,290.90 = 9,710.44 : x
  2. Step 2: Convert to fraction form
    16,880.90/23,290.90 = 9,710.44/x
  3. Step 3: Cross multiply
    16,880.90x = 23,290.90 × 9,710.44
  4. Step 4: Simplify right side
    16,880.90x = 226,164,887.00
  5. Step 5: Solve for x
    x = 226,164,887.00/16,880.90
  6. Step 6: Final answer
    x = 13,397.68

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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.