Home / 14,176.88-19,569.38-12,179.40

Finding the Fourth Proportional to 14,176.88, 19,569.38 and 12,179.40

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Solution

The fourth proportional to 14,176.88, 19,569.38 and 12,179.40 is: 16,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.88 : 19,569.38 = 12,179.40 : x
  2. Step 2: Convert to fraction form
    14,176.88/19,569.38 = 12,179.40/x
  3. Step 3: Cross multiply
    14,176.88x = 19,569.38 × 12,179.40
  4. Step 4: Simplify right side
    14,176.88x = 238,343,306.77
  5. Step 5: Solve for x
    x = 238,343,306.77/14,176.88
  6. Step 6: Final answer
    x = 16,812.11

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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.