Home / 23,518.10-32,455.09-12,907.86

Finding the Fourth Proportional to 23,518.10, 32,455.09 and 12,907.86

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Solution

The fourth proportional to 23,518.10, 32,455.09 and 12,907.86 is: 17,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,518.10 : 32,455.09 = 12,907.86 : x
  2. Step 2: Convert to fraction form
    23,518.10/32,455.09 = 12,907.86/x
  3. Step 3: Cross multiply
    23,518.10x = 32,455.09 × 12,907.86
  4. Step 4: Simplify right side
    23,518.10x = 418,925,758.01
  5. Step 5: Solve for x
    x = 418,925,758.01/23,518.10
  6. Step 6: Final answer
    x = 17,812.91

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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.