Home / 19,808.56-27,334.62-10,854.28

Finding the Fourth Proportional to 19,808.56, 27,334.62 and 10,854.28

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Solution

The fourth proportional to 19,808.56, 27,334.62 and 10,854.28 is: 14,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.56 : 27,334.62 = 10,854.28 : x
  2. Step 2: Convert to fraction form
    19,808.56/27,334.62 = 10,854.28/x
  3. Step 3: Cross multiply
    19,808.56x = 27,334.62 × 10,854.28
  4. Step 4: Simplify right side
    19,808.56x = 296,697,619.17
  5. Step 5: Solve for x
    x = 296,697,619.17/19,808.56
  6. Step 6: Final answer
    x = 14,978.25

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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.