Home / 19,114.38-26,390.70-14,630.13

Finding the Fourth Proportional to 19,114.38, 26,390.70 and 14,630.13

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Solution

The fourth proportional to 19,114.38, 26,390.70 and 14,630.13 is: 20,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.38 : 26,390.70 = 14,630.13 : x
  2. Step 2: Convert to fraction form
    19,114.38/26,390.70 = 14,630.13/x
  3. Step 3: Cross multiply
    19,114.38x = 26,390.70 × 14,630.13
  4. Step 4: Simplify right side
    19,114.38x = 386,099,371.79
  5. Step 5: Solve for x
    x = 386,099,371.79/19,114.38
  6. Step 6: Final answer
    x = 20,199.42

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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.