Home / 19,664.35-27,146.13-12,594.94

Finding the Fourth Proportional to 19,664.35, 27,146.13 and 12,594.94

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Solution

The fourth proportional to 19,664.35, 27,146.13 and 12,594.94 is: 17,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.35 : 27,146.13 = 12,594.94 : x
  2. Step 2: Convert to fraction form
    19,664.35/27,146.13 = 12,594.94/x
  3. Step 3: Cross multiply
    19,664.35x = 27,146.13 × 12,594.94
  4. Step 4: Simplify right side
    19,664.35x = 341,903,742.85
  5. Step 5: Solve for x
    x = 341,903,742.85/19,664.35
  6. Step 6: Final answer
    x = 17,386.99

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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.