Home / 23,518.30-32,455.14-12,908.11

Finding the Fourth Proportional to 23,518.30, 32,455.14 and 12,908.11

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Solution

The fourth proportional to 23,518.30, 32,455.14 and 12,908.11 is: 17,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.30 : 32,455.14 = 12,908.11 : x
  2. Step 2: Convert to fraction form
    23,518.30/32,455.14 = 12,908.11/x
  3. Step 3: Cross multiply
    23,518.30x = 32,455.14 × 12,908.11
  4. Step 4: Simplify right side
    23,518.30x = 418,934,517.19
  5. Step 5: Solve for x
    x = 418,934,517.19/23,518.30
  6. Step 6: Final answer
    x = 17,813.13

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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.