Home / 22,009.41-30,374.60-12,577.77

Finding the Fourth Proportional to 22,009.41, 30,374.60 and 12,577.77

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Solution

The fourth proportional to 22,009.41, 30,374.60 and 12,577.77 is: 17,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.41 : 30,374.60 = 12,577.77 : x
  2. Step 2: Convert to fraction form
    22,009.41/30,374.60 = 12,577.77/x
  3. Step 3: Cross multiply
    22,009.41x = 30,374.60 × 12,577.77
  4. Step 4: Simplify right side
    22,009.41x = 382,044,732.64
  5. Step 5: Solve for x
    x = 382,044,732.64/22,009.41
  6. Step 6: Final answer
    x = 17,358.25

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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.