Home / 19,210.12-26,516.58-11,254.92

Finding the Fourth Proportional to 19,210.12, 26,516.58 and 11,254.92

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Solution

The fourth proportional to 19,210.12, 26,516.58 and 11,254.92 is: 15,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.12 : 26,516.58 = 11,254.92 : x
  2. Step 2: Convert to fraction form
    19,210.12/26,516.58 = 11,254.92/x
  3. Step 3: Cross multiply
    19,210.12x = 26,516.58 × 11,254.92
  4. Step 4: Simplify right side
    19,210.12x = 298,441,986.57
  5. Step 5: Solve for x
    x = 298,441,986.57/19,210.12
  6. Step 6: Final answer
    x = 15,535.66

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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.