Home / 22,153.82-30,572.15-12,082.07

Finding the Fourth Proportional to 22,153.82, 30,572.15 and 12,082.07

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Solution

The fourth proportional to 22,153.82, 30,572.15 and 12,082.07 is: 16,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.82 : 30,572.15 = 12,082.07 : x
  2. Step 2: Convert to fraction form
    22,153.82/30,572.15 = 12,082.07/x
  3. Step 3: Cross multiply
    22,153.82x = 30,572.15 × 12,082.07
  4. Step 4: Simplify right side
    22,153.82x = 369,374,643.08
  5. Step 5: Solve for x
    x = 369,374,643.08/22,153.82
  6. Step 6: Final answer
    x = 16,673.18

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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.