Home / 13,972.44-19,276.50-8,000.91

Finding the Fourth Proportional to 13,972.44, 19,276.50 and 8,000.91

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Solution

The fourth proportional to 13,972.44, 19,276.50 and 8,000.91 is: 11,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.44 : 19,276.50 = 8,000.91 : x
  2. Step 2: Convert to fraction form
    13,972.44/19,276.50 = 8,000.91/x
  3. Step 3: Cross multiply
    13,972.44x = 19,276.50 × 8,000.91
  4. Step 4: Simplify right side
    13,972.44x = 154,229,541.62
  5. Step 5: Solve for x
    x = 154,229,541.62/13,972.44
  6. Step 6: Final answer
    x = 11,038.13

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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.