Home / 23,903.85-32,970-18,432.69

Finding the Fourth Proportional to 23,903.85, 32,970 and 18,432.69

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Solution

The fourth proportional to 23,903.85, 32,970 and 18,432.69 is: 25,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,903.85 : 32,970 = 18,432.69 : x
  2. Step 2: Convert to fraction form
    23,903.85/32,970 = 18,432.69/x
  3. Step 3: Cross multiply
    23,903.85x = 32,970 × 18,432.69
  4. Step 4: Simplify right side
    23,903.85x = 607,725,789.30
  5. Step 5: Solve for x
    x = 607,725,789.30/23,903.85
  6. Step 6: Final answer
    x = 25,423.76

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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.