Home / 14,722.56-20,316.36-8,754.12

Finding the Fourth Proportional to 14,722.56, 20,316.36 and 8,754.12

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Solution

The fourth proportional to 14,722.56, 20,316.36 and 8,754.12 is: 12,080.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.56 : 20,316.36 = 8,754.12 : x
  2. Step 2: Convert to fraction form
    14,722.56/20,316.36 = 8,754.12/x
  3. Step 3: Cross multiply
    14,722.56x = 20,316.36 × 8,754.12
  4. Step 4: Simplify right side
    14,722.56x = 177,851,853.40
  5. Step 5: Solve for x
    x = 177,851,853.40/14,722.56
  6. Step 6: Final answer
    x = 12,080.23

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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.