Home / 17,619.04-26,428.64-4,471.40

Finding the Fourth Proportional to 17,619.04, 26,428.64 and 4,471.40

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Solution

The fourth proportional to 17,619.04, 26,428.64 and 4,471.40 is: 6,707.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.04 : 26,428.64 = 4,471.40 : x
  2. Step 2: Convert to fraction form
    17,619.04/26,428.64 = 4,471.40/x
  3. Step 3: Cross multiply
    17,619.04x = 26,428.64 × 4,471.40
  4. Step 4: Simplify right side
    17,619.04x = 118,173,020.90
  5. Step 5: Solve for x
    x = 118,173,020.90/17,619.04
  6. Step 6: Final answer
    x = 6,707.12

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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.