Home / 19,606.56-29,409.84-7,124.27

Finding the Fourth Proportional to 19,606.56, 29,409.84 and 7,124.27

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Solution

The fourth proportional to 19,606.56, 29,409.84 and 7,124.27 is: 10,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.56 : 29,409.84 = 7,124.27 : x
  2. Step 2: Convert to fraction form
    19,606.56/29,409.84 = 7,124.27/x
  3. Step 3: Cross multiply
    19,606.56x = 29,409.84 × 7,124.27
  4. Step 4: Simplify right side
    19,606.56x = 209,523,493.77
  5. Step 5: Solve for x
    x = 209,523,493.77/19,606.56
  6. Step 6: Final answer
    x = 10,686.40

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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.