Home / 13,979.53-19,291.56-7,606.05

Finding the Fourth Proportional to 13,979.53, 19,291.56 and 7,606.05

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Solution

The fourth proportional to 13,979.53, 19,291.56 and 7,606.05 is: 10,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.53 : 19,291.56 = 7,606.05 : x
  2. Step 2: Convert to fraction form
    13,979.53/19,291.56 = 7,606.05/x
  3. Step 3: Cross multiply
    13,979.53x = 19,291.56 × 7,606.05
  4. Step 4: Simplify right side
    13,979.53x = 146,732,569.94
  5. Step 5: Solve for x
    x = 146,732,569.94/13,979.53
  6. Step 6: Final answer
    x = 10,496.24

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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.