Home / 16,771.02-23,142.24-9,699.72

Finding the Fourth Proportional to 16,771.02, 23,142.24 and 9,699.72

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Solution

The fourth proportional to 16,771.02, 23,142.24 and 9,699.72 is: 13,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.02 : 23,142.24 = 9,699.72 : x
  2. Step 2: Convert to fraction form
    16,771.02/23,142.24 = 9,699.72/x
  3. Step 3: Cross multiply
    16,771.02x = 23,142.24 × 9,699.72
  4. Step 4: Simplify right side
    16,771.02x = 224,473,248.17
  5. Step 5: Solve for x
    x = 224,473,248.17/16,771.02
  6. Step 6: Final answer
    x = 13,384.59

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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.