Home / 14,291.40-21,440.50-5,966.80

Finding the Fourth Proportional to 14,291.40, 21,440.50 and 5,966.80

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Solution

The fourth proportional to 14,291.40, 21,440.50 and 5,966.80 is: 8,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.40 : 21,440.50 = 5,966.80 : x
  2. Step 2: Convert to fraction form
    14,291.40/21,440.50 = 5,966.80/x
  3. Step 3: Cross multiply
    14,291.40x = 21,440.50 × 5,966.80
  4. Step 4: Simplify right side
    14,291.40x = 127,931,175.40
  5. Step 5: Solve for x
    x = 127,931,175.40/14,291.40
  6. Step 6: Final answer
    x = 8,951.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.