Home / 13,933.50-19,228.26-7,646.04

Finding the Fourth Proportional to 13,933.50, 19,228.26 and 7,646.04

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Solution

The fourth proportional to 13,933.50, 19,228.26 and 7,646.04 is: 10,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.50 : 19,228.26 = 7,646.04 : x
  2. Step 2: Convert to fraction form
    13,933.50/19,228.26 = 7,646.04/x
  3. Step 3: Cross multiply
    13,933.50x = 19,228.26 × 7,646.04
  4. Step 4: Simplify right side
    13,933.50x = 147,020,045.09
  5. Step 5: Solve for x
    x = 147,020,045.09/13,933.50
  6. Step 6: Final answer
    x = 10,551.55

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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.