Home / 14,457.92-21,689.28-5,095.28

Finding the Fourth Proportional to 14,457.92, 21,689.28 and 5,095.28

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Solution

The fourth proportional to 14,457.92, 21,689.28 and 5,095.28 is: 7,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.92 : 21,689.28 = 5,095.28 : x
  2. Step 2: Convert to fraction form
    14,457.92/21,689.28 = 5,095.28/x
  3. Step 3: Cross multiply
    14,457.92x = 21,689.28 × 5,095.28
  4. Step 4: Simplify right side
    14,457.92x = 110,512,954.60
  5. Step 5: Solve for x
    x = 110,512,954.60/14,457.92
  6. Step 6: Final answer
    x = 7,643.77

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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.