Home / 13,045.29-19,547.79-8,811.96

Finding the Fourth Proportional to 13,045.29, 19,547.79 and 8,811.96

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Solution

The fourth proportional to 13,045.29, 19,547.79 and 8,811.96 is: 13,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.29 : 19,547.79 = 8,811.96 : x
  2. Step 2: Convert to fraction form
    13,045.29/19,547.79 = 8,811.96/x
  3. Step 3: Cross multiply
    13,045.29x = 19,547.79 × 8,811.96
  4. Step 4: Simplify right side
    13,045.29x = 172,254,343.57
  5. Step 5: Solve for x
    x = 172,254,343.57/13,045.29
  6. Step 6: Final answer
    x = 13,204.33

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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.