Home / 19,336.32-26,686.26-11,380.50

Finding the Fourth Proportional to 19,336.32, 26,686.26 and 11,380.50

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Solution

The fourth proportional to 19,336.32, 26,686.26 and 11,380.50 is: 15,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.32 : 26,686.26 = 11,380.50 : x
  2. Step 2: Convert to fraction form
    19,336.32/26,686.26 = 11,380.50/x
  3. Step 3: Cross multiply
    19,336.32x = 26,686.26 × 11,380.50
  4. Step 4: Simplify right side
    19,336.32x = 303,702,981.93
  5. Step 5: Solve for x
    x = 303,702,981.93/19,336.32
  6. Step 6: Final answer
    x = 15,706.35

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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.