Home / 15,266.48-21,062.96-8,551.20

Finding the Fourth Proportional to 15,266.48, 21,062.96 and 8,551.20

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Solution

The fourth proportional to 15,266.48, 21,062.96 and 8,551.20 is: 11,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.48 : 21,062.96 = 8,551.20 : x
  2. Step 2: Convert to fraction form
    15,266.48/21,062.96 = 8,551.20/x
  3. Step 3: Cross multiply
    15,266.48x = 21,062.96 × 8,551.20
  4. Step 4: Simplify right side
    15,266.48x = 180,113,583.55
  5. Step 5: Solve for x
    x = 180,113,583.55/15,266.48
  6. Step 6: Final answer
    x = 11,797.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.