Home / 16,977.52-23,431-9,526.64

Finding the Fourth Proportional to 16,977.52, 23,431 and 9,526.64

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Solution

The fourth proportional to 16,977.52, 23,431 and 9,526.64 is: 13,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.52 : 23,431 = 9,526.64 : x
  2. Step 2: Convert to fraction form
    16,977.52/23,431 = 9,526.64/x
  3. Step 3: Cross multiply
    16,977.52x = 23,431 × 9,526.64
  4. Step 4: Simplify right side
    16,977.52x = 223,218,701.84
  5. Step 5: Solve for x
    x = 223,218,701.84/16,977.52
  6. Step 6: Final answer
    x = 13,147.90

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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.