Home / 23,325.76-32,189.36-12,715.20

Finding the Fourth Proportional to 23,325.76, 32,189.36 and 12,715.20

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Solution

The fourth proportional to 23,325.76, 32,189.36 and 12,715.20 is: 17,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,325.76 : 32,189.36 = 12,715.20 : x
  2. Step 2: Convert to fraction form
    23,325.76/32,189.36 = 12,715.20/x
  3. Step 3: Cross multiply
    23,325.76x = 32,189.36 × 12,715.20
  4. Step 4: Simplify right side
    23,325.76x = 409,294,150.27
  5. Step 5: Solve for x
    x = 409,294,150.27/23,325.76
  6. Step 6: Final answer
    x = 17,546.87

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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.