Home / 14,118.16-21,172.21-10,157.48

Finding the Fourth Proportional to 14,118.16, 21,172.21 and 10,157.48

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Solution

The fourth proportional to 14,118.16, 21,172.21 and 10,157.48 is: 15,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.16 : 21,172.21 = 10,157.48 : x
  2. Step 2: Convert to fraction form
    14,118.16/21,172.21 = 10,157.48/x
  3. Step 3: Cross multiply
    14,118.16x = 21,172.21 × 10,157.48
  4. Step 4: Simplify right side
    14,118.16x = 215,056,299.63
  5. Step 5: Solve for x
    x = 215,056,299.63/14,118.16
  6. Step 6: Final answer
    x = 15,232.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.