Home / 19,417.08-29,076.20-12,833.40

Finding the Fourth Proportional to 19,417.08, 29,076.20 and 12,833.40

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Solution

The fourth proportional to 19,417.08, 29,076.20 and 12,833.40 is: 19,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.08 : 29,076.20 = 12,833.40 : x
  2. Step 2: Convert to fraction form
    19,417.08/29,076.20 = 12,833.40/x
  3. Step 3: Cross multiply
    19,417.08x = 29,076.20 × 12,833.40
  4. Step 4: Simplify right side
    19,417.08x = 373,146,505.08
  5. Step 5: Solve for x
    x = 373,146,505.08/19,417.08
  6. Step 6: Final answer
    x = 19,217.44

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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.