Home / 14,269.77-21,406.50-5,507.19

Finding the Fourth Proportional to 14,269.77, 21,406.50 and 5,507.19

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Solution

The fourth proportional to 14,269.77, 21,406.50 and 5,507.19 is: 8,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.77 : 21,406.50 = 5,507.19 : x
  2. Step 2: Convert to fraction form
    14,269.77/21,406.50 = 5,507.19/x
  3. Step 3: Cross multiply
    14,269.77x = 21,406.50 × 5,507.19
  4. Step 4: Simplify right side
    14,269.77x = 117,889,662.74
  5. Step 5: Solve for x
    x = 117,889,662.74/14,269.77
  6. Step 6: Final answer
    x = 8,261.50

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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.