Home / 34,132.40-51,176.76-14,400.80

Finding the Fourth Proportional to 34,132.40, 51,176.76 and 14,400.80

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Solution

The fourth proportional to 34,132.40, 51,176.76 and 14,400.80 is: 21,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,132.40 : 51,176.76 = 14,400.80 : x
  2. Step 2: Convert to fraction form
    34,132.40/51,176.76 = 14,400.80/x
  3. Step 3: Cross multiply
    34,132.40x = 51,176.76 × 14,400.80
  4. Step 4: Simplify right side
    34,132.40x = 736,986,285.41
  5. Step 5: Solve for x
    x = 736,986,285.41/34,132.40
  6. Step 6: Final answer
    x = 21,591.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.