Home / 14,276.40-21,420.70-5,958.26

Finding the Fourth Proportional to 14,276.40, 21,420.70 and 5,958.26

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Solution

The fourth proportional to 14,276.40, 21,420.70 and 5,958.26 is: 8,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.40 : 21,420.70 = 5,958.26 : x
  2. Step 2: Convert to fraction form
    14,276.40/21,420.70 = 5,958.26/x
  3. Step 3: Cross multiply
    14,276.40x = 21,420.70 × 5,958.26
  4. Step 4: Simplify right side
    14,276.40x = 127,630,091.83
  5. Step 5: Solve for x
    x = 127,630,091.83/14,276.40
  6. Step 6: Final answer
    x = 8,939.93

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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.