Home / 22,692.96-31,316.31-12,621.15

Finding the Fourth Proportional to 22,692.96, 31,316.31 and 12,621.15

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Solution

The fourth proportional to 22,692.96, 31,316.31 and 12,621.15 is: 17,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.96 : 31,316.31 = 12,621.15 : x
  2. Step 2: Convert to fraction form
    22,692.96/31,316.31 = 12,621.15/x
  3. Step 3: Cross multiply
    22,692.96x = 31,316.31 × 12,621.15
  4. Step 4: Simplify right side
    22,692.96x = 395,247,845.96
  5. Step 5: Solve for x
    x = 395,247,845.96/22,692.96
  6. Step 6: Final answer
    x = 17,417.20

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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.