Home / 23,518.50-32,455.49-12,907.91

Finding the Fourth Proportional to 23,518.50, 32,455.49 and 12,907.91

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Solution

The fourth proportional to 23,518.50, 32,455.49 and 12,907.91 is: 17,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.50 : 32,455.49 = 12,907.91 : x
  2. Step 2: Convert to fraction form
    23,518.50/32,455.49 = 12,907.91/x
  3. Step 3: Cross multiply
    23,518.50x = 32,455.49 × 12,907.91
  4. Step 4: Simplify right side
    23,518.50x = 418,932,377.96
  5. Step 5: Solve for x
    x = 418,932,377.96/23,518.50
  6. Step 6: Final answer
    x = 17,812.89

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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.