Home / 39,658.08-59,493.28-13,360.80

Finding the Fourth Proportional to 39,658.08, 59,493.28 and 13,360.80

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Solution

The fourth proportional to 39,658.08, 59,493.28 and 13,360.80 is: 20,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.08 : 59,493.28 = 13,360.80 : x
  2. Step 2: Convert to fraction form
    39,658.08/59,493.28 = 13,360.80/x
  3. Step 3: Cross multiply
    39,658.08x = 59,493.28 × 13,360.80
  4. Step 4: Simplify right side
    39,658.08x = 794,877,815.42
  5. Step 5: Solve for x
    x = 794,877,815.42/39,658.08
  6. Step 6: Final answer
    x = 20,043.28

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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.