Home / 14,945.12-20,624.82-9,282.99

Finding the Fourth Proportional to 14,945.12, 20,624.82 and 9,282.99

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Solution

The fourth proportional to 14,945.12, 20,624.82 and 9,282.99 is: 12,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.12 : 20,624.82 = 9,282.99 : x
  2. Step 2: Convert to fraction form
    14,945.12/20,624.82 = 9,282.99/x
  3. Step 3: Cross multiply
    14,945.12x = 20,624.82 × 9,282.99
  4. Step 4: Simplify right side
    14,945.12x = 191,459,997.81
  5. Step 5: Solve for x
    x = 191,459,997.81/14,945.12
  6. Step 6: Final answer
    x = 12,810.87

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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.