Home / 21,014.69-29,000.27-11,583.45

Finding the Fourth Proportional to 21,014.69, 29,000.27 and 11,583.45

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Solution

The fourth proportional to 21,014.69, 29,000.27 and 11,583.45 is: 15,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014.69 : 29,000.27 = 11,583.45 : x
  2. Step 2: Convert to fraction form
    21,014.69/29,000.27 = 11,583.45/x
  3. Step 3: Cross multiply
    21,014.69x = 29,000.27 × 11,583.45
  4. Step 4: Simplify right side
    21,014.69x = 335,923,250.03
  5. Step 5: Solve for x
    x = 335,923,250.03/21,014.69
  6. Step 6: Final answer
    x = 15,985.17

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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.