Home / 13,827.40-19,082.16-8,525.68

Finding the Fourth Proportional to 13,827.40, 19,082.16 and 8,525.68

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Solution

The fourth proportional to 13,827.40, 19,082.16 and 8,525.68 is: 11,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.40 : 19,082.16 = 8,525.68 : x
  2. Step 2: Convert to fraction form
    13,827.40/19,082.16 = 8,525.68/x
  3. Step 3: Cross multiply
    13,827.40x = 19,082.16 × 8,525.68
  4. Step 4: Simplify right side
    13,827.40x = 162,688,389.87
  5. Step 5: Solve for x
    x = 162,688,389.87/13,827.40
  6. Step 6: Final answer
    x = 11,765.65

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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.