Home / 14,181.52-21,266.88-4,317.76

Finding the Fourth Proportional to 14,181.52, 21,266.88 and 4,317.76

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Solution

The fourth proportional to 14,181.52, 21,266.88 and 4,317.76 is: 6,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.52 : 21,266.88 = 4,317.76 : x
  2. Step 2: Convert to fraction form
    14,181.52/21,266.88 = 4,317.76/x
  3. Step 3: Cross multiply
    14,181.52x = 21,266.88 × 4,317.76
  4. Step 4: Simplify right side
    14,181.52x = 91,825,283.79
  5. Step 5: Solve for x
    x = 91,825,283.79/14,181.52
  6. Step 6: Final answer
    x = 6,475.00

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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.