Home / 14,108.40-21,152.48-7,083.41

Finding the Fourth Proportional to 14,108.40, 21,152.48 and 7,083.41

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Solution

The fourth proportional to 14,108.40, 21,152.48 and 7,083.41 is: 10,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.40 : 21,152.48 = 7,083.41 : x
  2. Step 2: Convert to fraction form
    14,108.40/21,152.48 = 7,083.41/x
  3. Step 3: Cross multiply
    14,108.40x = 21,152.48 × 7,083.41
  4. Step 4: Simplify right side
    14,108.40x = 149,831,547.18
  5. Step 5: Solve for x
    x = 149,831,547.18/14,108.40
  6. Step 6: Final answer
    x = 10,620.02

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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.