Home / 19,926.20-29,900.10-8,834.60

Finding the Fourth Proportional to 19,926.20, 29,900.10 and 8,834.60

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Solution

The fourth proportional to 19,926.20, 29,900.10 and 8,834.60 is: 13,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.20 : 29,900.10 = 8,834.60 : x
  2. Step 2: Convert to fraction form
    19,926.20/29,900.10 = 8,834.60/x
  3. Step 3: Cross multiply
    19,926.20x = 29,900.10 × 8,834.60
  4. Step 4: Simplify right side
    19,926.20x = 264,155,423.46
  5. Step 5: Solve for x
    x = 264,155,423.46/19,926.20
  6. Step 6: Final answer
    x = 13,256.69

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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.