Home / 34,784.02-48,002.25-19,676.80

Finding the Fourth Proportional to 34,784.02, 48,002.25 and 19,676.80

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Solution

The fourth proportional to 34,784.02, 48,002.25 and 19,676.80 is: 27,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,784.02 : 48,002.25 = 19,676.80 : x
  2. Step 2: Convert to fraction form
    34,784.02/48,002.25 = 19,676.80/x
  3. Step 3: Cross multiply
    34,784.02x = 48,002.25 × 19,676.80
  4. Step 4: Simplify right side
    34,784.02x = 944,530,672.80
  5. Step 5: Solve for x
    x = 944,530,672.80/34,784.02
  6. Step 6: Final answer
    x = 27,154.16

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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.