Home / 19,806.77-27,333.36-10,854.60

Finding the Fourth Proportional to 19,806.77, 27,333.36 and 10,854.60

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Solution

The fourth proportional to 19,806.77, 27,333.36 and 10,854.60 is: 14,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.77 : 27,333.36 = 10,854.60 : x
  2. Step 2: Convert to fraction form
    19,806.77/27,333.36 = 10,854.60/x
  3. Step 3: Cross multiply
    19,806.77x = 27,333.36 × 10,854.60
  4. Step 4: Simplify right side
    19,806.77x = 296,692,689.46
  5. Step 5: Solve for x
    x = 296,692,689.46/19,806.77
  6. Step 6: Final answer
    x = 14,979.36

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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.