Home / 19,606.06-29,409.09-7,123.76

Finding the Fourth Proportional to 19,606.06, 29,409.09 and 7,123.76

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Solution

The fourth proportional to 19,606.06, 29,409.09 and 7,123.76 is: 10,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.06 : 29,409.09 = 7,123.76 : x
  2. Step 2: Convert to fraction form
    19,606.06/29,409.09 = 7,123.76/x
  3. Step 3: Cross multiply
    19,606.06x = 29,409.09 × 7,123.76
  4. Step 4: Simplify right side
    19,606.06x = 209,503,225.46
  5. Step 5: Solve for x
    x = 209,503,225.46/19,606.06
  6. Step 6: Final answer
    x = 10,685.64

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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.