Home / 13,368.16-18,428.42-10,175.90

Finding the Fourth Proportional to 13,368.16, 18,428.42 and 10,175.90

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Solution

The fourth proportional to 13,368.16, 18,428.42 and 10,175.90 is: 14,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.16 : 18,428.42 = 10,175.90 : x
  2. Step 2: Convert to fraction form
    13,368.16/18,428.42 = 10,175.90/x
  3. Step 3: Cross multiply
    13,368.16x = 18,428.42 × 10,175.90
  4. Step 4: Simplify right side
    13,368.16x = 187,525,723.32
  5. Step 5: Solve for x
    x = 187,525,723.32/13,368.16
  6. Step 6: Final answer
    x = 14,027.79

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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.