Home / 22,851.92-31,535.44-12,780.24

Finding the Fourth Proportional to 22,851.92, 31,535.44 and 12,780.24

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Solution

The fourth proportional to 22,851.92, 31,535.44 and 12,780.24 is: 17,636.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,851.92 : 31,535.44 = 12,780.24 : x
  2. Step 2: Convert to fraction form
    22,851.92/31,535.44 = 12,780.24/x
  3. Step 3: Cross multiply
    22,851.92x = 31,535.44 × 12,780.24
  4. Step 4: Simplify right side
    22,851.92x = 403,030,491.71
  5. Step 5: Solve for x
    x = 403,030,491.71/22,851.92
  6. Step 6: Final answer
    x = 17,636.61

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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.