Home / 23,299.76-32,152.68-12,689.44

Finding the Fourth Proportional to 23,299.76, 32,152.68 and 12,689.44

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Solution

The fourth proportional to 23,299.76, 32,152.68 and 12,689.44 is: 17,510.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.76 : 32,152.68 = 12,689.44 : x
  2. Step 2: Convert to fraction form
    23,299.76/32,152.68 = 12,689.44/x
  3. Step 3: Cross multiply
    23,299.76x = 32,152.68 × 12,689.44
  4. Step 4: Simplify right side
    23,299.76x = 407,999,503.70
  5. Step 5: Solve for x
    x = 407,999,503.70/23,299.76
  6. Step 6: Final answer
    x = 17,510.89

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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.