Home / 16,809.40-25,214.10-11,560.60

Finding the Fourth Proportional to 16,809.40, 25,214.10 and 11,560.60

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Solution

The fourth proportional to 16,809.40, 25,214.10 and 11,560.60 is: 17,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809.40 : 25,214.10 = 11,560.60 : x
  2. Step 2: Convert to fraction form
    16,809.40/25,214.10 = 11,560.60/x
  3. Step 3: Cross multiply
    16,809.40x = 25,214.10 × 11,560.60
  4. Step 4: Simplify right side
    16,809.40x = 291,490,124.46
  5. Step 5: Solve for x
    x = 291,490,124.46/16,809.40
  6. Step 6: Final answer
    x = 17,340.90

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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.