Home / 14,500.40-20,010.26-8,451.77

Finding the Fourth Proportional to 14,500.40, 20,010.26 and 8,451.77

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Solution

The fourth proportional to 14,500.40, 20,010.26 and 8,451.77 is: 11,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.40 : 20,010.26 = 8,451.77 : x
  2. Step 2: Convert to fraction form
    14,500.40/20,010.26 = 8,451.77/x
  3. Step 3: Cross multiply
    14,500.40x = 20,010.26 × 8,451.77
  4. Step 4: Simplify right side
    14,500.40x = 169,122,036.24
  5. Step 5: Solve for x
    x = 169,122,036.24/14,500.40
  6. Step 6: Final answer
    x = 11,663.27

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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.