Home / 13,933.71-19,228.56-7,646.13

Finding the Fourth Proportional to 13,933.71, 19,228.56 and 7,646.13

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Solution

The fourth proportional to 13,933.71, 19,228.56 and 7,646.13 is: 10,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.71 : 19,228.56 = 7,646.13 : x
  2. Step 2: Convert to fraction form
    13,933.71/19,228.56 = 7,646.13/x
  3. Step 3: Cross multiply
    13,933.71x = 19,228.56 × 7,646.13
  4. Step 4: Simplify right side
    13,933.71x = 147,024,069.47
  5. Step 5: Solve for x
    x = 147,024,069.47/13,933.71
  6. Step 6: Final answer
    x = 10,551.68

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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.