Home / 19,089.36-26,354.35-12,714.30

Finding the Fourth Proportional to 19,089.36, 26,354.35 and 12,714.30

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Solution

The fourth proportional to 19,089.36, 26,354.35 and 12,714.30 is: 17,553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.36 : 26,354.35 = 12,714.30 : x
  2. Step 2: Convert to fraction form
    19,089.36/26,354.35 = 12,714.30/x
  3. Step 3: Cross multiply
    19,089.36x = 26,354.35 × 12,714.30
  4. Step 4: Simplify right side
    19,089.36x = 335,077,112.21
  5. Step 5: Solve for x
    x = 335,077,112.21/19,089.36
  6. Step 6: Final answer
    x = 17,553.08

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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.