Home / 16,909.60-23,340.66-11,875.04

Finding the Fourth Proportional to 16,909.60, 23,340.66 and 11,875.04

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Solution

The fourth proportional to 16,909.60, 23,340.66 and 11,875.04 is: 16,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.60 : 23,340.66 = 11,875.04 : x
  2. Step 2: Convert to fraction form
    16,909.60/23,340.66 = 11,875.04/x
  3. Step 3: Cross multiply
    16,909.60x = 23,340.66 × 11,875.04
  4. Step 4: Simplify right side
    16,909.60x = 277,171,271.13
  5. Step 5: Solve for x
    x = 277,171,271.13/16,909.60
  6. Step 6: Final answer
    x = 16,391.36

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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.