Home / 14,547.54-21,821.28-4,159.26

Finding the Fourth Proportional to 14,547.54, 21,821.28 and 4,159.26

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Solution

The fourth proportional to 14,547.54, 21,821.28 and 4,159.26 is: 6,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.54 : 21,821.28 = 4,159.26 : x
  2. Step 2: Convert to fraction form
    14,547.54/21,821.28 = 4,159.26/x
  3. Step 3: Cross multiply
    14,547.54x = 21,821.28 × 4,159.26
  4. Step 4: Simplify right side
    14,547.54x = 90,760,377.05
  5. Step 5: Solve for x
    x = 90,760,377.05/14,547.54
  6. Step 6: Final answer
    x = 6,238.88

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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.