Home / 27,266.20-40,899.30-13,442.20

Finding the Fourth Proportional to 27,266.20, 40,899.30 and 13,442.20

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Solution

The fourth proportional to 27,266.20, 40,899.30 and 13,442.20 is: 20,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.20 : 40,899.30 = 13,442.20 : x
  2. Step 2: Convert to fraction form
    27,266.20/40,899.30 = 13,442.20/x
  3. Step 3: Cross multiply
    27,266.20x = 40,899.30 × 13,442.20
  4. Step 4: Simplify right side
    27,266.20x = 549,776,570.46
  5. Step 5: Solve for x
    x = 549,776,570.46/27,266.20
  6. Step 6: Final answer
    x = 20,163.30

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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.