Home / 19,753.45-27,259.57-10,800.86

Finding the Fourth Proportional to 19,753.45, 27,259.57 and 10,800.86

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Solution

The fourth proportional to 19,753.45, 27,259.57 and 10,800.86 is: 14,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.45 : 27,259.57 = 10,800.86 : x
  2. Step 2: Convert to fraction form
    19,753.45/27,259.57 = 10,800.86/x
  3. Step 3: Cross multiply
    19,753.45x = 27,259.57 × 10,800.86
  4. Step 4: Simplify right side
    19,753.45x = 294,426,676.43
  5. Step 5: Solve for x
    x = 294,426,676.43/19,753.45
  6. Step 6: Final answer
    x = 14,905.08

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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.