Home / 23,269.79-32,131.70-21,581.36

Finding the Fourth Proportional to 23,269.79, 32,131.70 and 21,581.36

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Solution

The fourth proportional to 23,269.79, 32,131.70 and 21,581.36 is: 29,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,269.79 : 32,131.70 = 21,581.36 : x
  2. Step 2: Convert to fraction form
    23,269.79/32,131.70 = 21,581.36/x
  3. Step 3: Cross multiply
    23,269.79x = 32,131.70 × 21,581.36
  4. Step 4: Simplify right side
    23,269.79x = 693,445,785.11
  5. Step 5: Solve for x
    x = 693,445,785.11/23,269.79
  6. Step 6: Final answer
    x = 29,800.26

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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.