Home / 13,972.41-19,266.17-10,188.90

Finding the Fourth Proportional to 13,972.41, 19,266.17 and 10,188.90

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Solution

The fourth proportional to 13,972.41, 19,266.17 and 10,188.90 is: 14,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.41 : 19,266.17 = 10,188.90 : x
  2. Step 2: Convert to fraction form
    13,972.41/19,266.17 = 10,188.90/x
  3. Step 3: Cross multiply
    13,972.41x = 19,266.17 × 10,188.90
  4. Step 4: Simplify right side
    13,972.41x = 196,301,079.51
  5. Step 5: Solve for x
    x = 196,301,079.51/13,972.41
  6. Step 6: Final answer
    x = 14,049.19

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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.