Home / 19,593.86-27,045.70-12,520.28

Finding the Fourth Proportional to 19,593.86, 27,045.70 and 12,520.28

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Solution

The fourth proportional to 19,593.86, 27,045.70 and 12,520.28 is: 17,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.86 : 27,045.70 = 12,520.28 : x
  2. Step 2: Convert to fraction form
    19,593.86/27,045.70 = 12,520.28/x
  3. Step 3: Cross multiply
    19,593.86x = 27,045.70 × 12,520.28
  4. Step 4: Simplify right side
    19,593.86x = 338,619,736.80
  5. Step 5: Solve for x
    x = 338,619,736.80/19,593.86
  6. Step 6: Final answer
    x = 17,281.93

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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.