Home / 27,329.92-40,981.10-12,526.36

Finding the Fourth Proportional to 27,329.92, 40,981.10 and 12,526.36

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Solution

The fourth proportional to 27,329.92, 40,981.10 and 12,526.36 is: 18,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.92 : 40,981.10 = 12,526.36 : x
  2. Step 2: Convert to fraction form
    27,329.92/40,981.10 = 12,526.36/x
  3. Step 3: Cross multiply
    27,329.92x = 40,981.10 × 12,526.36
  4. Step 4: Simplify right side
    27,329.92x = 513,344,011.80
  5. Step 5: Solve for x
    x = 513,344,011.80/27,329.92
  6. Step 6: Final answer
    x = 18,783.22

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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.