Home / 22,929.12-34,325.58-12,509.28

Finding the Fourth Proportional to 22,929.12, 34,325.58 and 12,509.28

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Solution

The fourth proportional to 22,929.12, 34,325.58 and 12,509.28 is: 18,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,929.12 : 34,325.58 = 12,509.28 : x
  2. Step 2: Convert to fraction form
    22,929.12/34,325.58 = 12,509.28/x
  3. Step 3: Cross multiply
    22,929.12x = 34,325.58 × 12,509.28
  4. Step 4: Simplify right side
    22,929.12x = 429,388,291.38
  5. Step 5: Solve for x
    x = 429,388,291.38/22,929.12
  6. Step 6: Final answer
    x = 18,726.77

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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.