Home / 14,126.40-21,173.40-5,802.30

Finding the Fourth Proportional to 14,126.40, 21,173.40 and 5,802.30

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Solution

The fourth proportional to 14,126.40, 21,173.40 and 5,802.30 is: 8,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.40 : 21,173.40 = 5,802.30 : x
  2. Step 2: Convert to fraction form
    14,126.40/21,173.40 = 5,802.30/x
  3. Step 3: Cross multiply
    14,126.40x = 21,173.40 × 5,802.30
  4. Step 4: Simplify right side
    14,126.40x = 122,854,418.82
  5. Step 5: Solve for x
    x = 122,854,418.82/14,126.40
  6. Step 6: Final answer
    x = 8,696.80

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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.