Home / 22,790.99-31,451.57-12,582.02

Finding the Fourth Proportional to 22,790.99, 31,451.57 and 12,582.02

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Solution

The fourth proportional to 22,790.99, 31,451.57 and 12,582.02 is: 17,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,790.99 : 31,451.57 = 12,582.02 : x
  2. Step 2: Convert to fraction form
    22,790.99/31,451.57 = 12,582.02/x
  3. Step 3: Cross multiply
    22,790.99x = 31,451.57 × 12,582.02
  4. Step 4: Simplify right side
    22,790.99x = 395,724,062.60
  5. Step 5: Solve for x
    x = 395,724,062.60/22,790.99
  6. Step 6: Final answer
    x = 17,363.18

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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.