Home / 19,761.64-27,271.50-11,802.37

Finding the Fourth Proportional to 19,761.64, 27,271.50 and 11,802.37

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Solution

The fourth proportional to 19,761.64, 27,271.50 and 11,802.37 is: 16,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,761.64 : 27,271.50 = 11,802.37 : x
  2. Step 2: Convert to fraction form
    19,761.64/27,271.50 = 11,802.37/x
  3. Step 3: Cross multiply
    19,761.64x = 27,271.50 × 11,802.37
  4. Step 4: Simplify right side
    19,761.64x = 321,868,333.46
  5. Step 5: Solve for x
    x = 321,868,333.46/19,761.64
  6. Step 6: Final answer
    x = 16,287.53

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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.