Home / 19,802.88-27,326.16-11,417.76

Finding the Fourth Proportional to 19,802.88, 27,326.16 and 11,417.76

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Solution

The fourth proportional to 19,802.88, 27,326.16 and 11,417.76 is: 15,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.88 : 27,326.16 = 11,417.76 : x
  2. Step 2: Convert to fraction form
    19,802.88/27,326.16 = 11,417.76/x
  3. Step 3: Cross multiply
    19,802.88x = 27,326.16 × 11,417.76
  4. Step 4: Simplify right side
    19,802.88x = 312,003,536.60
  5. Step 5: Solve for x
    x = 312,003,536.60/19,802.88
  6. Step 6: Final answer
    x = 15,755.46

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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.