Home / 13,933.49-19,228.68-9,964.08

Finding the Fourth Proportional to 13,933.49, 19,228.68 and 9,964.08

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Solution

The fourth proportional to 13,933.49, 19,228.68 and 9,964.08 is: 13,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.49 : 19,228.68 = 9,964.08 : x
  2. Step 2: Convert to fraction form
    13,933.49/19,228.68 = 9,964.08/x
  3. Step 3: Cross multiply
    13,933.49x = 19,228.68 × 9,964.08
  4. Step 4: Simplify right side
    13,933.49x = 191,596,105.81
  5. Step 5: Solve for x
    x = 191,596,105.81/13,933.49
  6. Step 6: Final answer
    x = 13,750.77

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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.