Home / 17,916.86-26,875.28-6,828.68

Finding the Fourth Proportional to 17,916.86, 26,875.28 and 6,828.68

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Solution

The fourth proportional to 17,916.86, 26,875.28 and 6,828.68 is: 10,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.86 : 26,875.28 = 6,828.68 : x
  2. Step 2: Convert to fraction form
    17,916.86/26,875.28 = 6,828.68/x
  3. Step 3: Cross multiply
    17,916.86x = 26,875.28 × 6,828.68
  4. Step 4: Simplify right side
    17,916.86x = 183,522,552.65
  5. Step 5: Solve for x
    x = 183,522,552.65/17,916.86
  6. Step 6: Final answer
    x = 10,243.01

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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.