Home / 19,554.21-26,985.33-11,056.64

Finding the Fourth Proportional to 19,554.21, 26,985.33 and 11,056.64

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Solution

The fourth proportional to 19,554.21, 26,985.33 and 11,056.64 is: 15,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.21 : 26,985.33 = 11,056.64 : x
  2. Step 2: Convert to fraction form
    19,554.21/26,985.33 = 11,056.64/x
  3. Step 3: Cross multiply
    19,554.21x = 26,985.33 × 11,056.64
  4. Step 4: Simplify right side
    19,554.21x = 298,366,944.16
  5. Step 5: Solve for x
    x = 298,366,944.16/19,554.21
  6. Step 6: Final answer
    x = 15,258.45

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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.