Home / 23,518.60-32,455.78-12,908.36

Finding the Fourth Proportional to 23,518.60, 32,455.78 and 12,908.36

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Solution

The fourth proportional to 23,518.60, 32,455.78 and 12,908.36 is: 17,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.60 : 32,455.78 = 12,908.36 : x
  2. Step 2: Convert to fraction form
    23,518.60/32,455.78 = 12,908.36/x
  3. Step 3: Cross multiply
    23,518.60x = 32,455.78 × 12,908.36
  4. Step 4: Simplify right side
    23,518.60x = 418,950,892.32
  5. Step 5: Solve for x
    x = 418,950,892.32/23,518.60
  6. Step 6: Final answer
    x = 17,813.60

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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.