Home / 14,983.70-22,445.85-13,136.90

Finding the Fourth Proportional to 14,983.70, 22,445.85 and 13,136.90

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Solution

The fourth proportional to 14,983.70, 22,445.85 and 13,136.90 is: 19,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.70 : 22,445.85 = 13,136.90 : x
  2. Step 2: Convert to fraction form
    14,983.70/22,445.85 = 13,136.90/x
  3. Step 3: Cross multiply
    14,983.70x = 22,445.85 × 13,136.90
  4. Step 4: Simplify right side
    14,983.70x = 294,868,886.87
  5. Step 5: Solve for x
    x = 294,868,886.87/14,983.70
  6. Step 6: Final answer
    x = 19,679.31

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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.