Home / 16,953.79-23,394.04-9,400.05

Finding the Fourth Proportional to 16,953.79, 23,394.04 and 9,400.05

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Solution

The fourth proportional to 16,953.79, 23,394.04 and 9,400.05 is: 12,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,953.79 : 23,394.04 = 9,400.05 : x
  2. Step 2: Convert to fraction form
    16,953.79/23,394.04 = 9,400.05/x
  3. Step 3: Cross multiply
    16,953.79x = 23,394.04 × 9,400.05
  4. Step 4: Simplify right side
    16,953.79x = 219,905,145.70
  5. Step 5: Solve for x
    x = 219,905,145.70/16,953.79
  6. Step 6: Final answer
    x = 12,970.85

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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.