Home / 23,828.77-32,885.76-13,221.01

Finding the Fourth Proportional to 23,828.77, 32,885.76 and 13,221.01

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Solution

The fourth proportional to 23,828.77, 32,885.76 and 13,221.01 is: 18,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,828.77 : 32,885.76 = 13,221.01 : x
  2. Step 2: Convert to fraction form
    23,828.77/32,885.76 = 13,221.01/x
  3. Step 3: Cross multiply
    23,828.77x = 32,885.76 × 13,221.01
  4. Step 4: Simplify right side
    23,828.77x = 434,782,961.82
  5. Step 5: Solve for x
    x = 434,782,961.82/23,828.77
  6. Step 6: Final answer
    x = 18,246.14

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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.