Home / 13,979.53-19,293.11-10,436.59

Finding the Fourth Proportional to 13,979.53, 19,293.11 and 10,436.59

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Solution

The fourth proportional to 13,979.53, 19,293.11 and 10,436.59 is: 14,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.53 : 19,293.11 = 10,436.59 : x
  2. Step 2: Convert to fraction form
    13,979.53/19,293.11 = 10,436.59/x
  3. Step 3: Cross multiply
    13,979.53x = 19,293.11 × 10,436.59
  4. Step 4: Simplify right side
    13,979.53x = 201,354,256.75
  5. Step 5: Solve for x
    x = 201,354,256.75/13,979.53
  6. Step 6: Final answer
    x = 14,403.51

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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.