Home / 19,639.08-27,101.70-12,934.44

Finding the Fourth Proportional to 19,639.08, 27,101.70 and 12,934.44

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Solution

The fourth proportional to 19,639.08, 27,101.70 and 12,934.44 is: 17,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.08 : 27,101.70 = 12,934.44 : x
  2. Step 2: Convert to fraction form
    19,639.08/27,101.70 = 12,934.44/x
  3. Step 3: Cross multiply
    19,639.08x = 27,101.70 × 12,934.44
  4. Step 4: Simplify right side
    19,639.08x = 350,545,312.55
  5. Step 5: Solve for x
    x = 350,545,312.55/19,639.08
  6. Step 6: Final answer
    x = 17,849.38

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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.