Home / 23,221.76-32,045.12-13,790.08

Finding the Fourth Proportional to 23,221.76, 32,045.12 and 13,790.08

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Solution

The fourth proportional to 23,221.76, 32,045.12 and 13,790.08 is: 19,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,221.76 : 32,045.12 = 13,790.08 : x
  2. Step 2: Convert to fraction form
    23,221.76/32,045.12 = 13,790.08/x
  3. Step 3: Cross multiply
    23,221.76x = 32,045.12 × 13,790.08
  4. Step 4: Simplify right side
    23,221.76x = 441,904,768.41
  5. Step 5: Solve for x
    x = 441,904,768.41/23,221.76
  6. Step 6: Final answer
    x = 19,029.77

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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.