Home / 19,566.66-26,989.71-11,603.25

Finding the Fourth Proportional to 19,566.66, 26,989.71 and 11,603.25

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Solution

The fourth proportional to 19,566.66, 26,989.71 and 11,603.25 is: 16,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.66 : 26,989.71 = 11,603.25 : x
  2. Step 2: Convert to fraction form
    19,566.66/26,989.71 = 11,603.25/x
  3. Step 3: Cross multiply
    19,566.66x = 26,989.71 × 11,603.25
  4. Step 4: Simplify right side
    19,566.66x = 313,168,309.05
  5. Step 5: Solve for x
    x = 313,168,309.05/19,566.66
  6. Step 6: Final answer
    x = 16,005.20

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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.