Home / 13,875.33-19,124.64-10,517.07

Finding the Fourth Proportional to 13,875.33, 19,124.64 and 10,517.07

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Solution

The fourth proportional to 13,875.33, 19,124.64 and 10,517.07 is: 14,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.33 : 19,124.64 = 10,517.07 : x
  2. Step 2: Convert to fraction form
    13,875.33/19,124.64 = 10,517.07/x
  3. Step 3: Cross multiply
    13,875.33x = 19,124.64 × 10,517.07
  4. Step 4: Simplify right side
    13,875.33x = 201,135,249.32
  5. Step 5: Solve for x
    x = 201,135,249.32/13,875.33
  6. Step 6: Final answer
    x = 14,495.89

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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.