Home / 19,818.72-27,373.77-14,432.54

Finding the Fourth Proportional to 19,818.72, 27,373.77 and 14,432.54

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Solution

The fourth proportional to 19,818.72, 27,373.77 and 14,432.54 is: 19,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.72 : 27,373.77 = 14,432.54 : x
  2. Step 2: Convert to fraction form
    19,818.72/27,373.77 = 14,432.54/x
  3. Step 3: Cross multiply
    19,818.72x = 27,373.77 × 14,432.54
  4. Step 4: Simplify right side
    19,818.72x = 395,072,893.61
  5. Step 5: Solve for x
    x = 395,072,893.61/19,818.72
  6. Step 6: Final answer
    x = 19,934.33

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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.