Home / 14,173.60-19,559.10-7,885.84

Finding the Fourth Proportional to 14,173.60, 19,559.10 and 7,885.84

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Solution

The fourth proportional to 14,173.60, 19,559.10 and 7,885.84 is: 10,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.60 : 19,559.10 = 7,885.84 : x
  2. Step 2: Convert to fraction form
    14,173.60/19,559.10 = 7,885.84/x
  3. Step 3: Cross multiply
    14,173.60x = 19,559.10 × 7,885.84
  4. Step 4: Simplify right side
    14,173.60x = 154,239,933.14
  5. Step 5: Solve for x
    x = 154,239,933.14/14,173.60
  6. Step 6: Final answer
    x = 10,882.20

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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.