Home / 26,306.48-36,310.20-15,703.28

Finding the Fourth Proportional to 26,306.48, 36,310.20 and 15,703.28

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Solution

The fourth proportional to 26,306.48, 36,310.20 and 15,703.28 is: 21,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,306.48 : 36,310.20 = 15,703.28 : x
  2. Step 2: Convert to fraction form
    26,306.48/36,310.20 = 15,703.28/x
  3. Step 3: Cross multiply
    26,306.48x = 36,310.20 × 15,703.28
  4. Step 4: Simplify right side
    26,306.48x = 570,189,237.46
  5. Step 5: Solve for x
    x = 570,189,237.46/26,306.48
  6. Step 6: Final answer
    x = 21,674.86

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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.