Home / 22,005.90-32,976.45-18,701.10

Finding the Fourth Proportional to 22,005.90, 32,976.45 and 18,701.10

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Solution

The fourth proportional to 22,005.90, 32,976.45 and 18,701.10 is: 28,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.90 : 32,976.45 = 18,701.10 : x
  2. Step 2: Convert to fraction form
    22,005.90/32,976.45 = 18,701.10/x
  3. Step 3: Cross multiply
    22,005.90x = 32,976.45 × 18,701.10
  4. Step 4: Simplify right side
    22,005.90x = 616,695,889.10
  5. Step 5: Solve for x
    x = 616,695,889.10/22,005.90
  6. Step 6: Final answer
    x = 28,024.12

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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.