Home / 19,123.13-26,399.52-11,957.03

Finding the Fourth Proportional to 19,123.13, 26,399.52 and 11,957.03

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Solution

The fourth proportional to 19,123.13, 26,399.52 and 11,957.03 is: 16,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.13 : 26,399.52 = 11,957.03 : x
  2. Step 2: Convert to fraction form
    19,123.13/26,399.52 = 11,957.03/x
  3. Step 3: Cross multiply
    19,123.13x = 26,399.52 × 11,957.03
  4. Step 4: Simplify right side
    19,123.13x = 315,659,852.63
  5. Step 5: Solve for x
    x = 315,659,852.63/19,123.13
  6. Step 6: Final answer
    x = 16,506.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.