Home / 19,714.98-27,140.22-17,820.95

Finding the Fourth Proportional to 19,714.98, 27,140.22 and 17,820.95

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Solution

The fourth proportional to 19,714.98, 27,140.22 and 17,820.95 is: 24,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.98 : 27,140.22 = 17,820.95 : x
  2. Step 2: Convert to fraction form
    19,714.98/27,140.22 = 17,820.95/x
  3. Step 3: Cross multiply
    19,714.98x = 27,140.22 × 17,820.95
  4. Step 4: Simplify right side
    19,714.98x = 483,664,503.61
  5. Step 5: Solve for x
    x = 483,664,503.61/19,714.98
  6. Step 6: Final answer
    x = 24,532.84

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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.