Home / 16,389.60-24,554.16-11,188.32

Finding the Fourth Proportional to 16,389.60, 24,554.16 and 11,188.32

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Solution

The fourth proportional to 16,389.60, 24,554.16 and 11,188.32 is: 16,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.60 : 24,554.16 = 11,188.32 : x
  2. Step 2: Convert to fraction form
    16,389.60/24,554.16 = 11,188.32/x
  3. Step 3: Cross multiply
    16,389.60x = 24,554.16 × 11,188.32
  4. Step 4: Simplify right side
    16,389.60x = 274,719,799.41
  5. Step 5: Solve for x
    x = 274,719,799.41/16,389.60
  6. Step 6: Final answer
    x = 16,761.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.