Home / 19,714.98-27,200.16-13,003.95

Finding the Fourth Proportional to 19,714.98, 27,200.16 and 13,003.95

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Solution

The fourth proportional to 19,714.98, 27,200.16 and 13,003.95 is: 17,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.98 : 27,200.16 = 13,003.95 : x
  2. Step 2: Convert to fraction form
    19,714.98/27,200.16 = 13,003.95/x
  3. Step 3: Cross multiply
    19,714.98x = 27,200.16 × 13,003.95
  4. Step 4: Simplify right side
    19,714.98x = 353,709,520.63
  5. Step 5: Solve for x
    x = 353,709,520.63/19,714.98
  6. Step 6: Final answer
    x = 17,941.16

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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.