Home / 19,009.60-26,196.96-16,521.28

Finding the Fourth Proportional to 19,009.60, 26,196.96 and 16,521.28

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Solution

The fourth proportional to 19,009.60, 26,196.96 and 16,521.28 is: 22,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.60 : 26,196.96 = 16,521.28 : x
  2. Step 2: Convert to fraction form
    19,009.60/26,196.96 = 16,521.28/x
  3. Step 3: Cross multiply
    19,009.60x = 26,196.96 × 16,521.28
  4. Step 4: Simplify right side
    19,009.60x = 432,807,311.31
  5. Step 5: Solve for x
    x = 432,807,311.31/19,009.60
  6. Step 6: Final answer
    x = 22,767.83

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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.