Home / 17,428.32-26,145.72-7,047.36

Finding the Fourth Proportional to 17,428.32, 26,145.72 and 7,047.36

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Solution

The fourth proportional to 17,428.32, 26,145.72 and 7,047.36 is: 10,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.32 : 26,145.72 = 7,047.36 : x
  2. Step 2: Convert to fraction form
    17,428.32/26,145.72 = 7,047.36/x
  3. Step 3: Cross multiply
    17,428.32x = 26,145.72 × 7,047.36
  4. Step 4: Simplify right side
    17,428.32x = 184,258,301.30
  5. Step 5: Solve for x
    x = 184,258,301.30/17,428.32
  6. Step 6: Final answer
    x = 10,572.35

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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.