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Finding the Fourth Proportional to 16,973.88, 23,423.95 and 9,521.88

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Solution

The fourth proportional to 16,973.88, 23,423.95 and 9,521.88 is: 13,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.88 : 23,423.95 = 9,521.88 : x
  2. Step 2: Convert to fraction form
    16,973.88/23,423.95 = 9,521.88/x
  3. Step 3: Cross multiply
    16,973.88x = 23,423.95 × 9,521.88
  4. Step 4: Simplify right side
    16,973.88x = 223,039,900.10
  5. Step 5: Solve for x
    x = 223,039,900.10/16,973.88
  6. Step 6: Final answer
    x = 13,140.19

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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.