Home / 14,932.83-20,606.86-8,218.45

Finding the Fourth Proportional to 14,932.83, 20,606.86 and 8,218.45

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Solution

The fourth proportional to 14,932.83, 20,606.86 and 8,218.45 is: 11,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.83 : 20,606.86 = 8,218.45 : x
  2. Step 2: Convert to fraction form
    14,932.83/20,606.86 = 8,218.45/x
  3. Step 3: Cross multiply
    14,932.83x = 20,606.86 × 8,218.45
  4. Step 4: Simplify right side
    14,932.83x = 169,356,376.50
  5. Step 5: Solve for x
    x = 169,356,376.50/14,932.83
  6. Step 6: Final answer
    x = 11,341.21

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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.