Home / 13,909.53-19,184.98-10,133.85

Finding the Fourth Proportional to 13,909.53, 19,184.98 and 10,133.85

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Solution

The fourth proportional to 13,909.53, 19,184.98 and 10,133.85 is: 13,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.53 : 19,184.98 = 10,133.85 : x
  2. Step 2: Convert to fraction form
    13,909.53/19,184.98 = 10,133.85/x
  3. Step 3: Cross multiply
    13,909.53x = 19,184.98 × 10,133.85
  4. Step 4: Simplify right side
    13,909.53x = 194,417,709.57
  5. Step 5: Solve for x
    x = 194,417,709.57/13,909.53
  6. Step 6: Final answer
    x = 13,977.30

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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.