Home / 19,188.70-26,480.47-11,123.93

Finding the Fourth Proportional to 19,188.70, 26,480.47 and 11,123.93

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Solution

The fourth proportional to 19,188.70, 26,480.47 and 11,123.93 is: 15,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.70 : 26,480.47 = 11,123.93 : x
  2. Step 2: Convert to fraction form
    19,188.70/26,480.47 = 11,123.93/x
  3. Step 3: Cross multiply
    19,188.70x = 26,480.47 × 11,123.93
  4. Step 4: Simplify right side
    19,188.70x = 294,566,953.90
  5. Step 5: Solve for x
    x = 294,566,953.90/19,188.70
  6. Step 6: Final answer
    x = 15,351.07

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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.