Home / 14,113.20-19,436.82-13,807.04

Finding the Fourth Proportional to 14,113.20, 19,436.82 and 13,807.04

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Solution

The fourth proportional to 14,113.20, 19,436.82 and 13,807.04 is: 19,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.20 : 19,436.82 = 13,807.04 : x
  2. Step 2: Convert to fraction form
    14,113.20/19,436.82 = 13,807.04/x
  3. Step 3: Cross multiply
    14,113.20x = 19,436.82 × 13,807.04
  4. Step 4: Simplify right side
    14,113.20x = 268,364,951.21
  5. Step 5: Solve for x
    x = 268,364,951.21/14,113.20
  6. Step 6: Final answer
    x = 19,015.17

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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.