Home / 15,904.58-21,958.44-10,877.18

Finding the Fourth Proportional to 15,904.58, 21,958.44 and 10,877.18

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Solution

The fourth proportional to 15,904.58, 21,958.44 and 10,877.18 is: 15,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.58 : 21,958.44 = 10,877.18 : x
  2. Step 2: Convert to fraction form
    15,904.58/21,958.44 = 10,877.18/x
  3. Step 3: Cross multiply
    15,904.58x = 21,958.44 × 10,877.18
  4. Step 4: Simplify right side
    15,904.58x = 238,845,904.40
  5. Step 5: Solve for x
    x = 238,845,904.40/15,904.58
  6. Step 6: Final answer
    x = 15,017.43

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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.