Home / 19,123.24-26,390.66-11,570.96

Finding the Fourth Proportional to 19,123.24, 26,390.66 and 11,570.96

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Solution

The fourth proportional to 19,123.24, 26,390.66 and 11,570.96 is: 15,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.24 : 26,390.66 = 11,570.96 : x
  2. Step 2: Convert to fraction form
    19,123.24/26,390.66 = 11,570.96/x
  3. Step 3: Cross multiply
    19,123.24x = 26,390.66 × 11,570.96
  4. Step 4: Simplify right side
    19,123.24x = 305,365,271.23
  5. Step 5: Solve for x
    x = 305,365,271.23/19,123.24
  6. Step 6: Final answer
    x = 15,968.28

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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.