Home / 17,928.21-26,881.52-10,529.13

Finding the Fourth Proportional to 17,928.21, 26,881.52 and 10,529.13

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Solution

The fourth proportional to 17,928.21, 26,881.52 and 10,529.13 is: 15,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.21 : 26,881.52 = 10,529.13 : x
  2. Step 2: Convert to fraction form
    17,928.21/26,881.52 = 10,529.13/x
  3. Step 3: Cross multiply
    17,928.21x = 26,881.52 × 10,529.13
  4. Step 4: Simplify right side
    17,928.21x = 283,038,966.03
  5. Step 5: Solve for x
    x = 283,038,966.03/17,928.21
  6. Step 6: Final answer
    x = 15,787.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.