Home / 13,904.46-19,189.98-7,934.76

Finding the Fourth Proportional to 13,904.46, 19,189.98 and 7,934.76

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Solution

The fourth proportional to 13,904.46, 19,189.98 and 7,934.76 is: 10,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.46 : 19,189.98 = 7,934.76 : x
  2. Step 2: Convert to fraction form
    13,904.46/19,189.98 = 7,934.76/x
  3. Step 3: Cross multiply
    13,904.46x = 19,189.98 × 7,934.76
  4. Step 4: Simplify right side
    13,904.46x = 152,267,885.70
  5. Step 5: Solve for x
    x = 152,267,885.70/13,904.46
  6. Step 6: Final answer
    x = 10,951.01

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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.