Home / 26,720.48-36,876.40-14,784.96

Finding the Fourth Proportional to 26,720.48, 36,876.40 and 14,784.96

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Solution

The fourth proportional to 26,720.48, 36,876.40 and 14,784.96 is: 20,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.48 : 36,876.40 = 14,784.96 : x
  2. Step 2: Convert to fraction form
    26,720.48/36,876.40 = 14,784.96/x
  3. Step 3: Cross multiply
    26,720.48x = 36,876.40 × 14,784.96
  4. Step 4: Simplify right side
    26,720.48x = 545,216,098.94
  5. Step 5: Solve for x
    x = 545,216,098.94/26,720.48
  6. Step 6: Final answer
    x = 20,404.43

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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.