Home / 14,323.72-21,486.30-4,964.20

Finding the Fourth Proportional to 14,323.72, 21,486.30 and 4,964.20

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Solution

The fourth proportional to 14,323.72, 21,486.30 and 4,964.20 is: 7,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.72 : 21,486.30 = 4,964.20 : x
  2. Step 2: Convert to fraction form
    14,323.72/21,486.30 = 4,964.20/x
  3. Step 3: Cross multiply
    14,323.72x = 21,486.30 × 4,964.20
  4. Step 4: Simplify right side
    14,323.72x = 106,662,290.46
  5. Step 5: Solve for x
    x = 106,662,290.46/14,323.72
  6. Step 6: Final answer
    x = 7,446.55

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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.