Home / 28,814.30-43,222.80-14,005.56

Finding the Fourth Proportional to 28,814.30, 43,222.80 and 14,005.56

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Solution

The fourth proportional to 28,814.30, 43,222.80 and 14,005.56 is: 21,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.30 : 43,222.80 = 14,005.56 : x
  2. Step 2: Convert to fraction form
    28,814.30/43,222.80 = 14,005.56/x
  3. Step 3: Cross multiply
    28,814.30x = 43,222.80 × 14,005.56
  4. Step 4: Simplify right side
    28,814.30x = 605,359,448.74
  5. Step 5: Solve for x
    x = 605,359,448.74/28,814.30
  6. Step 6: Final answer
    x = 21,009.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.