Home / 22,154.47-30,572.79-12,082.99

Finding the Fourth Proportional to 22,154.47, 30,572.79 and 12,082.99

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Solution

The fourth proportional to 22,154.47, 30,572.79 and 12,082.99 is: 16,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.47 : 30,572.79 = 12,082.99 : x
  2. Step 2: Convert to fraction form
    22,154.47/30,572.79 = 12,082.99/x
  3. Step 3: Cross multiply
    22,154.47x = 30,572.79 × 12,082.99
  4. Step 4: Simplify right side
    22,154.47x = 369,410,715.84
  5. Step 5: Solve for x
    x = 369,410,715.84/22,154.47
  6. Step 6: Final answer
    x = 16,674.32

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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.