Home / 15,701.03-21,670.88-12,291.26

Finding the Fourth Proportional to 15,701.03, 21,670.88 and 12,291.26

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Solution

The fourth proportional to 15,701.03, 21,670.88 and 12,291.26 is: 16,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.03 : 21,670.88 = 12,291.26 : x
  2. Step 2: Convert to fraction form
    15,701.03/21,670.88 = 12,291.26/x
  3. Step 3: Cross multiply
    15,701.03x = 21,670.88 × 12,291.26
  4. Step 4: Simplify right side
    15,701.03x = 266,362,250.70
  5. Step 5: Solve for x
    x = 266,362,250.70/15,701.03
  6. Step 6: Final answer
    x = 16,964.64

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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.