Home / 19,606.77-29,411.30-7,126.75

Finding the Fourth Proportional to 19,606.77, 29,411.30 and 7,126.75

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Solution

The fourth proportional to 19,606.77, 29,411.30 and 7,126.75 is: 10,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.77 : 29,411.30 = 7,126.75 : x
  2. Step 2: Convert to fraction form
    19,606.77/29,411.30 = 7,126.75/x
  3. Step 3: Cross multiply
    19,606.77x = 29,411.30 × 7,126.75
  4. Step 4: Simplify right side
    19,606.77x = 209,606,946.64
  5. Step 5: Solve for x
    x = 209,606,946.64/19,606.77
  6. Step 6: Final answer
    x = 10,690.54

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1.5x scale

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.