Home / 23,289.89-32,140.02-12,679.52

Finding the Fourth Proportional to 23,289.89, 32,140.02 and 12,679.52

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Solution

The fourth proportional to 23,289.89, 32,140.02 and 12,679.52 is: 17,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.89 : 32,140.02 = 12,679.52 : x
  2. Step 2: Convert to fraction form
    23,289.89/32,140.02 = 12,679.52/x
  3. Step 3: Cross multiply
    23,289.89x = 32,140.02 × 12,679.52
  4. Step 4: Simplify right side
    23,289.89x = 407,519,865.69
  5. Step 5: Solve for x
    x = 407,519,865.69/23,289.89
  6. Step 6: Final answer
    x = 17,497.72

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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.