Home / 16,861.42-23,268.77-9,307.76

Finding the Fourth Proportional to 16,861.42, 23,268.77 and 9,307.76

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Solution

The fourth proportional to 16,861.42, 23,268.77 and 9,307.76 is: 12,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.42 : 23,268.77 = 9,307.76 : x
  2. Step 2: Convert to fraction form
    16,861.42/23,268.77 = 9,307.76/x
  3. Step 3: Cross multiply
    16,861.42x = 23,268.77 × 9,307.76
  4. Step 4: Simplify right side
    16,861.42x = 216,579,963.77
  5. Step 5: Solve for x
    x = 216,579,963.77/16,861.42
  6. Step 6: Final answer
    x = 12,844.70

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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.