Home / 19,638.18-27,093.45-12,927.66

Finding the Fourth Proportional to 19,638.18, 27,093.45 and 12,927.66

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Solution

The fourth proportional to 19,638.18, 27,093.45 and 12,927.66 is: 17,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.18 : 27,093.45 = 12,927.66 : x
  2. Step 2: Convert to fraction form
    19,638.18/27,093.45 = 12,927.66/x
  3. Step 3: Cross multiply
    19,638.18x = 27,093.45 × 12,927.66
  4. Step 4: Simplify right side
    19,638.18x = 350,254,909.83
  5. Step 5: Solve for x
    x = 350,254,909.83/19,638.18
  6. Step 6: Final answer
    x = 17,835.41

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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.