Home / 19,753.39-27,259.70-10,800.91

Finding the Fourth Proportional to 19,753.39, 27,259.70 and 10,800.91

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Solution

The fourth proportional to 19,753.39, 27,259.70 and 10,800.91 is: 14,905.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.39 : 27,259.70 = 10,800.91 : x
  2. Step 2: Convert to fraction form
    19,753.39/27,259.70 = 10,800.91/x
  3. Step 3: Cross multiply
    19,753.39x = 27,259.70 × 10,800.91
  4. Step 4: Simplify right side
    19,753.39x = 294,429,566.33
  5. Step 5: Solve for x
    x = 294,429,566.33/19,753.39
  6. Step 6: Final answer
    x = 14,905.27

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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.