Home / 19,587.78-26,997.48-14,141.34

Finding the Fourth Proportional to 19,587.78, 26,997.48 and 14,141.34

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Solution

The fourth proportional to 19,587.78, 26,997.48 and 14,141.34 is: 19,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.78 : 26,997.48 = 14,141.34 : x
  2. Step 2: Convert to fraction form
    19,587.78/26,997.48 = 14,141.34/x
  3. Step 3: Cross multiply
    19,587.78x = 26,997.48 × 14,141.34
  4. Step 4: Simplify right side
    19,587.78x = 381,780,543.82
  5. Step 5: Solve for x
    x = 381,780,543.82/19,587.78
  6. Step 6: Final answer
    x = 19,490.75

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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.