Home / 13,939.84-19,236.88-7,652.08

Finding the Fourth Proportional to 13,939.84, 19,236.88 and 7,652.08

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Solution

The fourth proportional to 13,939.84, 19,236.88 and 7,652.08 is: 10,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.84 : 19,236.88 = 7,652.08 : x
  2. Step 2: Convert to fraction form
    13,939.84/19,236.88 = 7,652.08/x
  3. Step 3: Cross multiply
    13,939.84x = 19,236.88 × 7,652.08
  4. Step 4: Simplify right side
    13,939.84x = 147,202,144.71
  5. Step 5: Solve for x
    x = 147,202,144.71/13,939.84
  6. Step 6: Final answer
    x = 10,559.82

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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.