Home / 16,962.31-23,410.79-9,411.07

Finding the Fourth Proportional to 16,962.31, 23,410.79 and 9,411.07

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Solution

The fourth proportional to 16,962.31, 23,410.79 and 9,411.07 is: 12,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.31 : 23,410.79 = 9,411.07 : x
  2. Step 2: Convert to fraction form
    16,962.31/23,410.79 = 9,411.07/x
  3. Step 3: Cross multiply
    16,962.31x = 23,410.79 × 9,411.07
  4. Step 4: Simplify right side
    16,962.31x = 220,320,565.65
  5. Step 5: Solve for x
    x = 220,320,565.65/16,962.31
  6. Step 6: Final answer
    x = 12,988.83

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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.