Home / 19,473.76-26,867.60-11,518.72

Finding the Fourth Proportional to 19,473.76, 26,867.60 and 11,518.72

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Solution

The fourth proportional to 19,473.76, 26,867.60 and 11,518.72 is: 15,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.76 : 26,867.60 = 11,518.72 : x
  2. Step 2: Convert to fraction form
    19,473.76/26,867.60 = 11,518.72/x
  3. Step 3: Cross multiply
    19,473.76x = 26,867.60 × 11,518.72
  4. Step 4: Simplify right side
    19,473.76x = 309,480,361.47
  5. Step 5: Solve for x
    x = 309,480,361.47/19,473.76
  6. Step 6: Final answer
    x = 15,892.17

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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.