Home / 14,163-19,531.53-10,331.16

Finding the Fourth Proportional to 14,163, 19,531.53 and 10,331.16

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Solution

The fourth proportional to 14,163, 19,531.53 and 10,331.16 is: 14,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163 : 19,531.53 = 10,331.16 : x
  2. Step 2: Convert to fraction form
    14,163/19,531.53 = 10,331.16/x
  3. Step 3: Cross multiply
    14,163x = 19,531.53 × 10,331.16
  4. Step 4: Simplify right side
    14,163x = 201,783,361.47
  5. Step 5: Solve for x
    x = 201,783,361.47/14,163
  6. Step 6: Final answer
    x = 14,247.22

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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.