Home / 19,727.10-27,223.64-10,774.68

Finding the Fourth Proportional to 19,727.10, 27,223.64 and 10,774.68

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Solution

The fourth proportional to 19,727.10, 27,223.64 and 10,774.68 is: 14,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.10 : 27,223.64 = 10,774.68 : x
  2. Step 2: Convert to fraction form
    19,727.10/27,223.64 = 10,774.68/x
  3. Step 3: Cross multiply
    19,727.10x = 27,223.64 × 10,774.68
  4. Step 4: Simplify right side
    19,727.10x = 293,326,009.44
  5. Step 5: Solve for x
    x = 293,326,009.44/19,727.10
  6. Step 6: Final answer
    x = 14,869.19

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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.