Home / 14,220.28-19,623.96-7,932.68

Finding the Fourth Proportional to 14,220.28, 19,623.96 and 7,932.68

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Solution

The fourth proportional to 14,220.28, 19,623.96 and 7,932.68 is: 10,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.28 : 19,623.96 = 7,932.68 : x
  2. Step 2: Convert to fraction form
    14,220.28/19,623.96 = 7,932.68/x
  3. Step 3: Cross multiply
    14,220.28x = 19,623.96 × 7,932.68
  4. Step 4: Simplify right side
    14,220.28x = 155,670,595.01
  5. Step 5: Solve for x
    x = 155,670,595.01/14,220.28
  6. Step 6: Final answer
    x = 10,947.08

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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.