Home / 13,996.15-19,316.05-10,453.21

Finding the Fourth Proportional to 13,996.15, 19,316.05 and 10,453.21

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Solution

The fourth proportional to 13,996.15, 19,316.05 and 10,453.21 is: 14,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.15 : 19,316.05 = 10,453.21 : x
  2. Step 2: Convert to fraction form
    13,996.15/19,316.05 = 10,453.21/x
  3. Step 3: Cross multiply
    13,996.15x = 19,316.05 × 10,453.21
  4. Step 4: Simplify right side
    13,996.15x = 201,914,727.02
  5. Step 5: Solve for x
    x = 201,914,727.02/13,996.15
  6. Step 6: Final answer
    x = 14,426.45

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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.