Home / 27,637.76-41,424.18-12,815.48

Finding the Fourth Proportional to 27,637.76, 41,424.18 and 12,815.48

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Solution

The fourth proportional to 27,637.76, 41,424.18 and 12,815.48 is: 19,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.76 : 41,424.18 = 12,815.48 : x
  2. Step 2: Convert to fraction form
    27,637.76/41,424.18 = 12,815.48/x
  3. Step 3: Cross multiply
    27,637.76x = 41,424.18 × 12,815.48
  4. Step 4: Simplify right side
    27,637.76x = 530,870,750.31
  5. Step 5: Solve for x
    x = 530,870,750.31/27,637.76
  6. Step 6: Final answer
    x = 19,208.17

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1.5x scale

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.