Home / 19,449.76-26,840.80-11,066.26

Finding the Fourth Proportional to 19,449.76, 26,840.80 and 11,066.26

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Solution

The fourth proportional to 19,449.76, 26,840.80 and 11,066.26 is: 15,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.76 : 26,840.80 = 11,066.26 : x
  2. Step 2: Convert to fraction form
    19,449.76/26,840.80 = 11,066.26/x
  3. Step 3: Cross multiply
    19,449.76x = 26,840.80 × 11,066.26
  4. Step 4: Simplify right side
    19,449.76x = 297,027,271.41
  5. Step 5: Solve for x
    x = 297,027,271.41/19,449.76
  6. Step 6: Final answer
    x = 15,271.51

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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.