Home / 19,517.16-26,933.69-11,133.66

Finding the Fourth Proportional to 19,517.16, 26,933.69 and 11,133.66

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Solution

The fourth proportional to 19,517.16, 26,933.69 and 11,133.66 is: 15,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.16 : 26,933.69 = 11,133.66 : x
  2. Step 2: Convert to fraction form
    19,517.16/26,933.69 = 11,133.66/x
  3. Step 3: Cross multiply
    19,517.16x = 26,933.69 × 11,133.66
  4. Step 4: Simplify right side
    19,517.16x = 299,870,491.34
  5. Step 5: Solve for x
    x = 299,870,491.34/19,517.16
  6. Step 6: Final answer
    x = 15,364.45

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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.