Home / 14,884.48-20,541.16-8,170.38

Finding the Fourth Proportional to 14,884.48, 20,541.16 and 8,170.38

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Solution

The fourth proportional to 14,884.48, 20,541.16 and 8,170.38 is: 11,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.48 : 20,541.16 = 8,170.38 : x
  2. Step 2: Convert to fraction form
    14,884.48/20,541.16 = 8,170.38/x
  3. Step 3: Cross multiply
    14,884.48x = 20,541.16 × 8,170.38
  4. Step 4: Simplify right side
    14,884.48x = 167,829,082.84
  5. Step 5: Solve for x
    x = 167,829,082.84/14,884.48
  6. Step 6: Final answer
    x = 11,275.44

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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.