Home / 19,239.12-26,541.30-11,277.98

Finding the Fourth Proportional to 19,239.12, 26,541.30 and 11,277.98

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Solution

The fourth proportional to 19,239.12, 26,541.30 and 11,277.98 is: 15,558.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.12 : 26,541.30 = 11,277.98 : x
  2. Step 2: Convert to fraction form
    19,239.12/26,541.30 = 11,277.98/x
  3. Step 3: Cross multiply
    19,239.12x = 26,541.30 × 11,277.98
  4. Step 4: Simplify right side
    19,239.12x = 299,332,250.57
  5. Step 5: Solve for x
    x = 299,332,250.57/19,239.12
  6. Step 6: Final answer
    x = 15,558.52

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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.