Home / 19,026.78-28,540.17-6,547.11

Finding the Fourth Proportional to 19,026.78, 28,540.17 and 6,547.11

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Solution

The fourth proportional to 19,026.78, 28,540.17 and 6,547.11 is: 9,820.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,026.78 : 28,540.17 = 6,547.11 : x
  2. Step 2: Convert to fraction form
    19,026.78/28,540.17 = 6,547.11/x
  3. Step 3: Cross multiply
    19,026.78x = 28,540.17 × 6,547.11
  4. Step 4: Simplify right side
    19,026.78x = 186,855,632.41
  5. Step 5: Solve for x
    x = 186,855,632.41/19,026.78
  6. Step 6: Final answer
    x = 9,820.67

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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.