Home / 19,119.86-26,381.12-10,735.82

Finding the Fourth Proportional to 19,119.86, 26,381.12 and 10,735.82

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Solution

The fourth proportional to 19,119.86, 26,381.12 and 10,735.82 is: 14,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.86 : 26,381.12 = 10,735.82 : x
  2. Step 2: Convert to fraction form
    19,119.86/26,381.12 = 10,735.82/x
  3. Step 3: Cross multiply
    19,119.86x = 26,381.12 × 10,735.82
  4. Step 4: Simplify right side
    19,119.86x = 283,222,955.72
  5. Step 5: Solve for x
    x = 283,222,955.72/19,119.86
  6. Step 6: Final answer
    x = 14,813.02

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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.