Home / 23,515.30-32,451.12-12,904.94

Finding the Fourth Proportional to 23,515.30, 32,451.12 and 12,904.94

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Solution

The fourth proportional to 23,515.30, 32,451.12 and 12,904.94 is: 17,808.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,515.30 : 32,451.12 = 12,904.94 : x
  2. Step 2: Convert to fraction form
    23,515.30/32,451.12 = 12,904.94/x
  3. Step 3: Cross multiply
    23,515.30x = 32,451.12 × 12,904.94
  4. Step 4: Simplify right side
    23,515.30x = 418,779,529.75
  5. Step 5: Solve for x
    x = 418,779,529.75/23,515.30
  6. Step 6: Final answer
    x = 17,808.81

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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.