Home / 19,510.20-26,923.50-11,012.63

Finding the Fourth Proportional to 19,510.20, 26,923.50 and 11,012.63

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Solution

The fourth proportional to 19,510.20, 26,923.50 and 11,012.63 is: 15,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.20 : 26,923.50 = 11,012.63 : x
  2. Step 2: Convert to fraction form
    19,510.20/26,923.50 = 11,012.63/x
  3. Step 3: Cross multiply
    19,510.20x = 26,923.50 × 11,012.63
  4. Step 4: Simplify right side
    19,510.20x = 296,498,409.19
  5. Step 5: Solve for x
    x = 296,498,409.19/19,510.20
  6. Step 6: Final answer
    x = 15,197.10

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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.