Home / 13,909.34-19,195.44-7,941.06

Finding the Fourth Proportional to 13,909.34, 19,195.44 and 7,941.06

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Solution

The fourth proportional to 13,909.34, 19,195.44 and 7,941.06 is: 10,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.34 : 19,195.44 = 7,941.06 : x
  2. Step 2: Convert to fraction form
    13,909.34/19,195.44 = 7,941.06/x
  3. Step 3: Cross multiply
    13,909.34x = 19,195.44 × 7,941.06
  4. Step 4: Simplify right side
    13,909.34x = 152,432,140.77
  5. Step 5: Solve for x
    x = 152,432,140.77/13,909.34
  6. Step 6: Final answer
    x = 10,958.98

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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.