Home / 17,722.76-26,547.68-12,802.28

Finding the Fourth Proportional to 17,722.76, 26,547.68 and 12,802.28

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Solution

The fourth proportional to 17,722.76, 26,547.68 and 12,802.28 is: 19,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.76 : 26,547.68 = 12,802.28 : x
  2. Step 2: Convert to fraction form
    17,722.76/26,547.68 = 12,802.28/x
  3. Step 3: Cross multiply
    17,722.76x = 26,547.68 × 12,802.28
  4. Step 4: Simplify right side
    17,722.76x = 339,870,731.98
  5. Step 5: Solve for x
    x = 339,870,731.98/17,722.76
  6. Step 6: Final answer
    x = 19,177.08

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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.