Home / 19,776.61-27,291.31-10,823.91

Finding the Fourth Proportional to 19,776.61, 27,291.31 and 10,823.91

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Solution

The fourth proportional to 19,776.61, 27,291.31 and 10,823.91 is: 14,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.61 : 27,291.31 = 10,823.91 : x
  2. Step 2: Convert to fraction form
    19,776.61/27,291.31 = 10,823.91/x
  3. Step 3: Cross multiply
    19,776.61x = 27,291.31 × 10,823.91
  4. Step 4: Simplify right side
    19,776.61x = 295,398,683.22
  5. Step 5: Solve for x
    x = 295,398,683.22/19,776.61
  6. Step 6: Final answer
    x = 14,936.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.