Home / 14,219.37-21,299.85-11,430.99

Finding the Fourth Proportional to 14,219.37, 21,299.85 and 11,430.99

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Solution

The fourth proportional to 14,219.37, 21,299.85 and 11,430.99 is: 17,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.37 : 21,299.85 = 11,430.99 : x
  2. Step 2: Convert to fraction form
    14,219.37/21,299.85 = 11,430.99/x
  3. Step 3: Cross multiply
    14,219.37x = 21,299.85 × 11,430.99
  4. Step 4: Simplify right side
    14,219.37x = 243,478,372.35
  5. Step 5: Solve for x
    x = 243,478,372.35/14,219.37
  6. Step 6: Final answer
    x = 17,123.01

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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.