Home / 13,495.20-18,568.08-13,184.16

Finding the Fourth Proportional to 13,495.20, 18,568.08 and 13,184.16

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Solution

The fourth proportional to 13,495.20, 18,568.08 and 13,184.16 is: 18,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.20 : 18,568.08 = 13,184.16 : x
  2. Step 2: Convert to fraction form
    13,495.20/18,568.08 = 13,184.16/x
  3. Step 3: Cross multiply
    13,495.20x = 18,568.08 × 13,184.16
  4. Step 4: Simplify right side
    13,495.20x = 244,804,537.61
  5. Step 5: Solve for x
    x = 244,804,537.61/13,495.20
  6. Step 6: Final answer
    x = 18,140.12

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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.