Home / 13,472.84-18,577.66-9,224.60

Finding the Fourth Proportional to 13,472.84, 18,577.66 and 9,224.60

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Solution

The fourth proportional to 13,472.84, 18,577.66 and 9,224.60 is: 12,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.84 : 18,577.66 = 9,224.60 : x
  2. Step 2: Convert to fraction form
    13,472.84/18,577.66 = 9,224.60/x
  3. Step 3: Cross multiply
    13,472.84x = 18,577.66 × 9,224.60
  4. Step 4: Simplify right side
    13,472.84x = 171,371,482.44
  5. Step 5: Solve for x
    x = 171,371,482.44/13,472.84
  6. Step 6: Final answer
    x = 12,719.77

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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.