Home / 22,038.67-30,412.83-12,606.63

Finding the Fourth Proportional to 22,038.67, 30,412.83 and 12,606.63

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Solution

The fourth proportional to 22,038.67, 30,412.83 and 12,606.63 is: 17,396.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.67 : 30,412.83 = 12,606.63 : x
  2. Step 2: Convert to fraction form
    22,038.67/30,412.83 = 12,606.63/x
  3. Step 3: Cross multiply
    22,038.67x = 30,412.83 × 12,606.63
  4. Step 4: Simplify right side
    22,038.67x = 383,403,295.06
  5. Step 5: Solve for x
    x = 383,403,295.06/22,038.67
  6. Step 6: Final answer
    x = 17,396.84

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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.