Home / 19,603.17-29,409.70-8,507.16

Finding the Fourth Proportional to 19,603.17, 29,409.70 and 8,507.16

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Solution

The fourth proportional to 19,603.17, 29,409.70 and 8,507.16 is: 12,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.17 : 29,409.70 = 8,507.16 : x
  2. Step 2: Convert to fraction form
    19,603.17/29,409.70 = 8,507.16/x
  3. Step 3: Cross multiply
    19,603.17x = 29,409.70 × 8,507.16
  4. Step 4: Simplify right side
    19,603.17x = 250,192,876.40
  5. Step 5: Solve for x
    x = 250,192,876.40/19,603.17
  6. Step 6: Final answer
    x = 12,762.88

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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.