Home / 14,075.45-19,428.10-8,414.16

Finding the Fourth Proportional to 14,075.45, 19,428.10 and 8,414.16

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Solution

The fourth proportional to 14,075.45, 19,428.10 and 8,414.16 is: 11,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.45 : 19,428.10 = 8,414.16 : x
  2. Step 2: Convert to fraction form
    14,075.45/19,428.10 = 8,414.16/x
  3. Step 3: Cross multiply
    14,075.45x = 19,428.10 × 8,414.16
  4. Step 4: Simplify right side
    14,075.45x = 163,471,120.86
  5. Step 5: Solve for x
    x = 163,471,120.86/14,075.45
  6. Step 6: Final answer
    x = 11,613.92

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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.