Home / 23,299.01-32,153.21-12,689.22

Finding the Fourth Proportional to 23,299.01, 32,153.21 and 12,689.22

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Solution

The fourth proportional to 23,299.01, 32,153.21 and 12,689.22 is: 17,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.01 : 32,153.21 = 12,689.22 : x
  2. Step 2: Convert to fraction form
    23,299.01/32,153.21 = 12,689.22/x
  3. Step 3: Cross multiply
    23,299.01x = 32,153.21 × 12,689.22
  4. Step 4: Simplify right side
    23,299.01x = 407,999,155.40
  5. Step 5: Solve for x
    x = 407,999,155.40/23,299.01
  6. Step 6: Final answer
    x = 17,511.44

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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.