Home / 14,725.49-20,319.66-8,756.01

Finding the Fourth Proportional to 14,725.49, 20,319.66 and 8,756.01

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Solution

The fourth proportional to 14,725.49, 20,319.66 and 8,756.01 is: 12,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.49 : 20,319.66 = 8,756.01 : x
  2. Step 2: Convert to fraction form
    14,725.49/20,319.66 = 8,756.01/x
  3. Step 3: Cross multiply
    14,725.49x = 20,319.66 × 8,756.01
  4. Step 4: Simplify right side
    14,725.49x = 177,919,117.25
  5. Step 5: Solve for x
    x = 177,919,117.25/14,725.49
  6. Step 6: Final answer
    x = 12,082.39

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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.