Home / 13,387.68-19,993.61-10,759.19

Finding the Fourth Proportional to 13,387.68, 19,993.61 and 10,759.19

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Solution

The fourth proportional to 13,387.68, 19,993.61 and 10,759.19 is: 16,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.68 : 19,993.61 = 10,759.19 : x
  2. Step 2: Convert to fraction form
    13,387.68/19,993.61 = 10,759.19/x
  3. Step 3: Cross multiply
    13,387.68x = 19,993.61 × 10,759.19
  4. Step 4: Simplify right side
    13,387.68x = 215,114,975.71
  5. Step 5: Solve for x
    x = 215,114,975.71/13,387.68
  6. Step 6: Final answer
    x = 16,068.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.